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• Main Page
  |colspan="4" style="text-align:center;font-size:70%" |
  7 KB (882 words) - 20:37, 12 May 2012
• Hymenochirus boettgeri
  ...are no escape holes for the frogs to explore. A DAF can easily jump {{in|3|4}} into the air from a solid base. ...e tank water level down to around the {{cm|7}} level over a period of 2 to 4 weeks.
  17 KB (2,752 words) - 20:42, 14 February 2024
• Labidochromis caeruleus
  ...does not eat and becomes weak. Holding typically lasts somewhere between 3-4 weeks, given that a temperature of 27°-28°C (about 81°-82°F) is maintai
  4 KB (635 words) - 02:19, 29 November 2021
• Pethia conchonius
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  3 KB (470 words) - 01:58, 13 December 2017
• The Salt of the Earth
  ...s are also removed or reduced by [[RO]] or [[DI]]. Excessively low KH (<3-4) is a hazard, as the tank has no other process for neutralization of the ac
  13 KB (2,290 words) - 05:09, 14 February 2011
• Melanotaenia praecox
  |max_life_span=4
  3 KB (402 words) - 02:37, 26 February 2020
• Lysiosquillina maculata
  |max_ph = 8.4 |min_life_span = 4
  5 KB (906 words) - 17:00, 14 November 2017
• Beaufortia kweichowensis
  |min_size=4
  4 KB (602 words) - 02:08, 26 October 2023
• Paracheirodon innesi
  |min_ph=4.6 |min_water_hardness=4
  8 KB (1,274 words) - 19:03, 28 February 2021
• Taxiphyllum barbeiri
  Image:Javamoss1.jpg|Typical clump of Java moss about {{in|4}} across
  2 KB (336 words) - 18:10, 23 May 2021
• Chaetostoma milesi
  |min_size=4
  3 KB (358 words) - 13:27, 26 February 2020
• Schilbe intermedius
  ...cutters are known for their large shovel-like mouth that has anywhere from 4-6 nasal barbs. Their eyes slightly protrude from their head. They also have
  4 KB (578 words) - 03:40, 13 December 2017
• Betta splendens
  |min_water_hardness=4 ...ed the aquarium is large enough (approximately 20-30 gallons minimum for 2-4, if not [preferably] larger, especially if there's even more males than tha
  12 KB (2,057 words) - 18:59, 7 September 2023
• Mikrogeophagus ramirezi
  |max_life_span=4
  5 KB (854 words) - 02:22, 13 December 2017
• Pogostemon stellatus
  |min_water_hardness = 4
  899 bytes (96 words) - 16:21, 7 June 2020
• Breeding Mikrogeophagus ramirezi
  ...ecome sexually mature fairly quickly - maturity can be reached as early as 4–6 months. Many aquarists report some pairs as being monogamous. Others ha ...k can be kept in a food container and used for up to a week. (Less than 1/4 yolk is needed, so the balance can be eaten by the aquarist along with the
  4 KB (729 words) - 12:54, 14 February 2018
• Puntigrus tetrazona
  ...rphs of the Tiger Barb available, the wild type is light brown with around 4 vertical black bands down their flanks. Other variations include [[albino]]
  4 KB (628 words) - 05:52, 23 September 2019
• Poecilia reticulata
  |max_life_span=4 ...fertilize several subsequent broods.The gestation period typically lasts 3-4 weeks before relatively large fry are produced; the parents may eat the fry
  9 KB (1,358 words) - 17:04, 20 November 2023
• Yasuhikotakia sidthimunki
  ...place to hide at night and the company of its own kind. Keep in a group of 4 or more. Appreciates a good current and may burrow under logs to find an ar
  3 KB (540 words) - 02:22, 13 December 2017
• Ich
  ...while at 29 degrees C (84 degrees F) it completes its cycle in only about 4 days. 4. It is debatable if amphibians can get Ich. Most aquatic frog keepers have
  8 KB (1,322 words) - 14:23, 22 January 2021
• Corydoras trilineatus
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  2 KB (307 words) - 09:12, 11 July 2021
• Botia striata
  |max_size=4
  3 KB (383 words) - 02:40, 26 October 2023
• Trichogaster lalius
  |max_life_span=4 |min_water_hardness=4
  5 KB (776 words) - 06:22, 23 September 2019
• Gyrinocheilus aymonieri
  ...oes to some degree when young. But it grows fast and after it reaches {{in|4|5}} in length it may start attacking large slow fish like Angel fish or Gol
  5 KB (763 words) - 02:22, 13 December 2017
• Glyptoperichthys joselimaianus
  Image:Pleccoo (4).JPG|Juvenile Gold Spot
  2 KB (328 words) - 02:22, 13 December 2017
• Aplocheilus lineatus
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  3 KB (459 words) - 03:05, 26 October 2023
• Pangio kuhlii
  ...other peaceful fish as well as their own kind. Should be kept in groups of 4-5 or more, in smaller groups they will be very shy and spend most of their
  5 KB (738 words) - 19:13, 3 February 2021
• General Hardness
  ! 0 - 4 dH ! 4 - 8 dH
  2 KB (330 words) - 19:09, 29 June 2020
• KH
  Measure the KH value and if it's less than {{d|4}} then add some of the items below to increase it.
  4 KB (683 words) - 17:56, 24 May 2022
• Carbon dioxide
  This glass bubble contains a small amount of liquid chemical (a 4 [[KH]] reference liquid containing [[Bromothymol blue]]) and you place in i
  3 KB (576 words) - 04:45, 24 February 2011
• Dissolved oxygen
  | 12.8 || 10.4 * A level of 4&nbsp;mg/L is considered low and getting potentially deadly.
  3 KB (426 words) - 02:19, 14 February 2011
• Walstad method
  ...s original post about the siesta photoperiod]</ref>, and uses a 5 hour on, 4 hours off, 5 hours on photoperiod on her own tanks. The dark period allows ...vel]] or clean sea shells and let them slowly dissolve. However, adding a 4:1 mixture of calcium chloride and magnesium sulphate is one way to get the
  14 KB (2,164 words) - 01:31, 12 November 2022
• Calcium carbonate
  Two [[teaspoons]] (about 4&nbsp;grams) of calcium carbonate per {{gal|50}} of water will increase both
  3 KB (458 words) - 08:33, 6 December 2017
• Salt
  (1 teaspoon = 4.7&nbsp;grams, 1 tablespoon=14.2&nbsp;grams) |MgCl₂ Magnesium chloride||4.981g
  7 KB (1,033 words) - 13:28, 12 November 2013
• Gill or Skin flukes
  The worm lives for about a week and drops eggs which hatch out with 2 to 4 days. If the larvae doesn't find a host it dies.
  4 KB (697 words) - 14:08, 4 February 2018
• Ppm
  ppm = [[mg/l]], equals ml/l. So 4 ppm equals 4&nbsp;mg/l or 4ml/l
  263 bytes (44 words) - 04:32, 14 February 2011
• Ammonia
  ...two chemical compounds, free ammonia (NH₃) and ammonium (NH₄+}}) together. Ammonia is a food source for [[nitrifying bacteria]] an ...]]) refers to the total concentration of both {NH₃} and {NH₄+} in the aquarium water.
  9 KB (1,393 words) - 13:10, 10 December 2020
• Dermogenys pusillus
  |max_life_span=4
  2 KB (324 words) - 22:52, 3 August 2023
• Tanichthys albonubes
  |max_life_span=4
  5 KB (728 words) - 06:50, 6 January 2022
• Main Page - In the works
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  7 KB (897 words) - 03:48, 14 February 2011
• Kryptopterus bicirrhis
  ...aceful community tank with similar sized fish. Keep this fish in groups of 4 or more, they do not do well singly. Do not keep with aggressive fish as th
  3 KB (398 words) - 02:23, 13 December 2017
• Caridina gracilirostris
  |max_size = 4
  3 KB (465 words) - 18:20, 2 September 2020
• Panaqolus maccus
  |min_size=4
  3 KB (388 words) - 19:15, 3 February 2021
• Gyraulus sp.
  :A ramshorn will normally start reproducing within 4 weeks of being born if well fed. It lays a small gelatin like patch of eggs ...s (like the [[Zebra Loach]], [[Pakistan loach]] (Yo Yo)) that remain under 4" in length and will eat the young snails. Puffers like the freshwater [[Cey
  8 KB (1,228 words) - 19:07, 3 February 2021
• Botia almorhae
  :These Loaches are highly active fish that must be in groups of 4-5 or more of their own species, although they do not strictly shoal. They c ...ng other members of the community. They must be kept in groups of at least 4-5 to ensure that they keep any aggressive behaviour amongst themselves. Pak
  4 KB (570 words) - 18:32, 29 March 2019
• Sphaerichthys vaillanti
  |min_size=4 |min_life_span=4
  3 KB (462 words) - 17:02, 13 November 2019
• Chytrid fungus
  ...e page, this would be appreciated. --[[User:Quatermass|Quatermass]] 15:34, 4 November 2007 (CST)
  18 KB (3,011 words) - 01:47, 14 February 2011
• Brine shrimp
  ...r the container as the Artemia require a bright light source for the first 4 hours in order to hatch. Artemia franciscana : Protein - 39.4% min, Fat 4.96% min, Fibre - 5.0% max, Moisture - 9.6% max, Ash - 28.1% max.
  6 KB (1,019 words) - 11:11, 27 September 2011
• Tuna steak
  *[[Vitamin D]] 4&nbsp;µg *[[Vitamin B12]] 4&nbsp;µg
  2 KB (324 words) - 08:23, 24 February 2011
• Poly-filter
  Typically sold in different sizes. The most common being a large rectangle (4" x 8") shaped piece of white foam, it is also available as a disc.
  1 KB (228 words) - 08:28, 31 October 2012
• Disease Symptoms
  ...he same species without doing harm. However if kept in groups of less than 4 or 5 the Barb will out of frustration try to dominate other species which m
  7 KB (1,270 words) - 23:45, 3 May 2018
• Gymnarchus niloticus
  |min_life_span=4
  3 KB (403 words) - 21:01, 26 May 2021
• Barbus ablabes
  |min_life_span=4
  2 KB (321 words) - 02:23, 13 December 2017
• Lepidarchus adonis
  |min_water_hardness=4
  2 KB (279 words) - 06:18, 23 September 2019
• Steatocranus casuarius
  :Males are larger, at potentially 6 inches compared to the 4 inch females, and possess larger 'humps' on their heads. They also have lon
  3 KB (512 words) - 02:23, 13 December 2017
• Nannocharax parvus
  |max_size=4
  936 bytes (127 words) - 02:23, 13 December 2017
• Orconectes immunis
  |max_size = 4
  2 KB (251 words) - 13:09, 1 November 2013
• Congochromis dimidiatus
  |min_life_span=4 |min_ph=4.0
  1,006 bytes (131 words) - 03:32, 13 December 2017
• Pareutropius buffei
  |min_water_hardness=4
  2 KB (368 words) - 01:15, 19 February 2020
• Xenomystus nigri
  ...er, are entirely peaceful towards larger fish as long as they're over {{in|4}}, so do not house with boisterous fish or fin nippers. Can work with [[Ang
  2 KB (362 words) - 02:23, 13 December 2017
• Amarginops ornatus
  ...which means they can get caught up and tangled in fish nets. This fish has 4 sets of barbels around the mouth. The body is pale yellow/brown in colour w
  2 KB (326 words) - 02:23, 13 December 2017
• Hemigrammus rhodostomus
  :A peaceful shoaling community fish, keep in groups of 4 or more. Will live with other community fish such as [[:Category:Corydoras|
  2 KB (336 words) - 02:23, 13 December 2017
• Synodontis alberti
  |min_water_hardness=4
  892 bytes (124 words) - 02:40, 13 December 2017
• Lycodes sagittarius
  |min_temperature=4
  729 bytes (104 words) - 02:40, 13 December 2017
• Phago loricatus
  ...tory fin-nipper that is best kept in a species tank alone or in a group of 4-5 or more of its own species, as it will be predatory to both smaller and l
  2 KB (312 words) - 02:23, 13 December 2017
• Leiocassis siamensis
  |min_life_span=4
  1 KB (152 words) - 02:40, 13 December 2017
• Melanochromis auratus
  |max_size=4
  3 KB (399 words) - 16:49, 22 November 2018
• Balantiocheilos melanopterus
  ...h smaller fish nor with shy and delicate fish. Should be kept in groups of 4 or more, will be exceptionally skittish if kept alone.
  4 KB (511 words) - 02:41, 13 December 2017
• Colisa fasciata
  |min_size=4 |min_water_hardness=4
  3 KB (390 words) - 02:42, 13 December 2017
• Scleromystax barbatus
  |min_size=4
  1 KB (153 words) - 02:42, 13 December 2017
• Botia dario
  :A sociable [[:Category:Loach|Loach]] that should be kept in groups of 4 or more. Will be peaceful towards tank mates, but do not keep with fragile
  2 KB (350 words) - 02:42, 13 December 2017
• Neoarius graeffei
  |min_ph=6.4 ..., but they enjoy conspecific company and are best kept in a small group of 4 - 6 in a large [[species tank]].
  3 KB (403 words) - 02:42, 13 December 2017
• Cichlasoma portalegrense
  :Port or the Black Acara's can begin breeding at about {{in|3|4}}. Usually you might not notice the breeding process the first time until ...ifers]], baby [[brine shrimp]], or a commercial fry fish food. After about 4 months or less the fry will be about an {{in|1}} and you can feed on flake
  4 KB (743 words) - 11:46, 25 January 2021
• Copella nigrofasciata
  |min_size=4
  883 bytes (122 words) - 02:43, 13 December 2017
• Ictalurus melas
  |min_life_span=4
  3 KB (428 words) - 02:43, 13 December 2017
• Paracyprichromis nigripinnis
  ...rately damage plants, so plants can be kept. Most variants grow to about 3-4 inches and live in the upper layer of the aquarium. They need rockwork to b
  3 KB (375 words) - 18:36, 21 December 2023
• Hemigrammus pulcher
  |max_size=4
  2 KB (309 words) - 02:43, 13 December 2017
• Terapon jarbua
  ...r tank mates, as well as occasional nipping of other fish. Will eat fish 1/4 to 1/3 their size!
  2 KB (325 words) - 11:20, 13 February 2021
• Melanotaenia lacustris
  |min_size=4
  2 KB (311 words) - 20:58, 18 December 2020
• Elassoma okatie
  |max_size=4
  833 bytes (117 words) - 02:44, 13 December 2017
• Panaque suttonorum
  |min_water_hardness=4
  1,002 bytes (137 words) - 13:34, 4 March 2020
• Melanotaenia boesemani
  |min_size=4 |min_life_span=4
  3 KB (388 words) - 03:21, 22 February 2020
• Mikrogeophagus altispinosus
  |max_size=4
  3 KB (484 words) - 14:36, 22 September 2021
• Neolamprologus boulengeri
  ...of 4+ . A large aquarium (15 gallons<) is usually required for a group of 4-5. If a group is well aquatinted, and have been kept in smaller aquariums (
  2 KB (235 words) - 13:16, 12 March 2022
• Julidochromis dickfeldi
  |max_size=4
  2 KB (215 words) - 02:44, 13 December 2017
• Pseudosphromenus dayi
  |min_water_hardness=4
  2 KB (290 words) - 02:44, 13 December 2017
• Copella metae
  |max_size=4
  849 bytes (118 words) - 02:44, 13 December 2017
• Betta macrostoma
  |min_ph=4
  3 KB (520 words) - 21:10, 12 November 2019
• Trigonostigma hengeli
  |min_life_span=4
  4 KB (542 words) - 03:18, 13 December 2017
• Brachygobius xanthozonus
  ...nd round. The base colour of the ''B.xanthozonus'' is mustard yellow, with 4 vertical black bands, the first runs over the fishes head near the eye. The
  3 KB (411 words) - 02:45, 13 December 2017
• Pseudambassis baculis
  |min_size=4
  850 bytes (119 words) - 02:45, 13 December 2017
• Pantodon buchholzi
  |max_size=4 ...ottled brown in colouration with large ventral fin extensions about {{in|3|4}} long.
  2 KB (362 words) - 16:59, 11 November 2021
• Awaous flavus
  |max_size=4
  2 KB (226 words) - 15:31, 30 April 2019
• Ictalurus punctatus
  |min_water_hardness=4
  2 KB (300 words) - 02:45, 13 December 2017
• Hoplosternum littorale
  |max_life_span=4
  2 KB (290 words) - 22:30, 10 February 2019
• Anabas testudineus
  ...in secure [[bogwood]] and rocks. A secure lid is a must with about {{in|2|4}} gap between the water surface and the top of the tank to avoid any mishap
  3 KB (424 words) - 02:46, 13 December 2017
• Betta coccina
  |min_ph=4
  2 KB (363 words) - 02:46, 13 December 2017
• Hyphessobrycon ecuadoriensis
  |max_size=4
  2 KB (269 words) - 15:04, 10 March 2020
• Belontia signata
  |min_size=4
  2 KB (319 words) - 14:54, 17 July 2018
• Bunocephalichthys verrucosus
  |max_size=4
  1 KB (147 words) - 02:46, 13 December 2017
• Salarias fluvatillis
  |min_size=4
  2 KB (230 words) - 03:38, 13 December 2017
• Synodontis multipunctatus
  ...ally more broad than males. In male fish it is possible to distinguish a 3-4 mm genital papilla near the anus.
  2 KB (228 words) - 02:46, 13 December 2017
• Archocentrus septemfasciatus
  |max_size=4
  2 KB (309 words) - 02:46, 13 December 2017
• Cynotilapia afra
  |max_size=4 :Males are striped with six or seven black stripes and have 3-4 egg spots on their anal fin. Females have no stripes and paler in colour. T
  3 KB (532 words) - 02:46, 13 December 2017
• Anadoras grypus
  |min_size=4
  894 bytes (128 words) - 02:47, 13 December 2017
• Pristobrycon calmoni
  |min_water_hardness=4
  825 bytes (116 words) - 02:47, 13 December 2017
• Tatia gyrina
  |max_size=4
  2 KB (228 words) - 02:47, 13 December 2017
• Anaspidoglanis macrostoma
  |min_water_hardness=4 ...ale cream-yellow with irregular dark grey-brown blotches and bands. It has 4 sets of [[barbel]]s around the mouth.
  2 KB (338 words) - 02:47, 13 December 2017
• Yasuhikotakia nigrolineata
  |min_water_hardness=4
  1,023 bytes (135 words) - 02:47, 13 December 2017
• Nannostomus marginatus
  ...rydoras|Corydoras]]. Not strictly a shoaling fish, but keep in groups of 3-4 or more.
  2 KB (350 words) - 02:47, 13 December 2017
• Umbra pygmea
  |min_temperature=4
  2 KB (262 words) - 02:47, 13 December 2017
• Pseudotropheus socolofi
  |min_size=4
  1 KB (150 words) - 02:47, 13 December 2017
• Lefua costata
  ...k lateral line from nose to caudal fin on a pale brown base colour. It has 4 sets of [[barbel]]s on its nose giving it its common name.
  2 KB (256 words) - 02:47, 13 December 2017
• Sciaenochromis ahli
  |min_size=4
  2 KB (337 words) - 02:47, 13 December 2017
• Nematobrycon palmeri
  |min_life_span=4
  3 KB (422 words) - 02:47, 13 December 2017
• Nannostomus espei
  |min_water_hardness=4
  850 bytes (116 words) - 02:47, 13 December 2017
• Silurus glanis
  |min_water_hardness=4 :A large feeding every 3 or 4 days, more often when young.
  3 KB (484 words) - 16:47, 16 November 2020
• Elassoma evergladei
  |max_size=4
  4 KB (704 words) - 23:39, 22 November 2019
• Tateurndina ocellicauda
  |min_water_hardness=4
  6 KB (888 words) - 01:25, 19 February 2020
• Pyrrhulina rachoviana
  |max_size=4
  822 bytes (113 words) - 02:48, 13 December 2017
• Pseudomystus stenomus
  |min_water_hardness=4
  927 bytes (130 words) - 02:48, 13 December 2017
• Mesonauta festivus
  |min_water_hardness=4
  3 KB (478 words) - 02:48, 13 December 2017
• Dichotomyctere ocellatus
  ...young specimen once a day. When they grow older and bigger to approx {{in|4}} only feed once every 2 or 3 days to prevent buildup of fats in the body.
  3 KB (425 words) - 18:42, 16 December 2017
• Monodactylus argenteus
  ..., so tank mates should be no smaller than 3". Keep in shoals of at least 3-4 or more.
  2 KB (301 words) - 00:15, 9 December 2020
• Potamotrygon henlei
  |min_water_hardness=4
  984 bytes (134 words) - 02:48, 13 December 2017
• Hypseleotris galii
  |min_size=4
  2 KB (246 words) - 02:48, 13 December 2017
• Hyphessobrycon flammeus
  |min_life_span=4
  2 KB (302 words) - 02:48, 13 December 2017
• Craterocephalus stercusmuscarum
  |max_size=4
  2 KB (344 words) - 02:48, 13 December 2017
• Anableps anableps
  |min_life_span=4
  3 KB (484 words) - 02:48, 13 December 2017
• Cyphotilapia frontosa
  :The fish take some 3 to 4 years to reach sexual maturity, but once they do they are relatively straig
  6 KB (894 words) - 03:45, 5 March 2018
• Copella carsevennensis
  |max_size=4 |min_ph=4.0
  938 bytes (123 words) - 03:38, 13 December 2017
• Devario aequipinnatus
  |min_size=4
  3 KB (414 words) - 02:49, 13 December 2017
• Girardinus metallicus
  |min_size=4
  4 KB (557 words) - 02:49, 13 December 2017
• Nannostomus nitidus
  |max_size=4 |min_life_span=4
  2 KB (264 words) - 02:49, 13 December 2017
• Julidochromis ornatus
  |max_size=4
  2 KB (300 words) - 02:49, 13 December 2017
• Nannostomus beckfordi
  |min_life_span=4
  2 KB (256 words) - 03:10, 26 October 2023
• Melanotaenia goldiei
  :A peaceful and sociable fish that should be kept in groups of 4-5 or more. A good mix of males and females (more females to males) will sho
  2 KB (232 words) - 02:49, 13 December 2017
• Aulonocara stuartgranti
  |min_size=4
  3 KB (464 words) - 02:49, 13 December 2017
• Symphysodon aequifasciatus
  ...lly when aged from 0-4 months they should be fed 10 times a day. When aged 4 months - 1 year, they should be fed 5 times a day. And when aged >1 year, t :If left in groups, ranging from 2-4, one dominant discus may self-proclaim itself as the leader, bullying the o
  5 KB (777 words) - 03:56, 27 November 2019
• Meiacanthus anema
  |max_size=4
  2 KB (229 words) - 03:38, 13 December 2017
• Dichotomyctere nigroviridis
  |max_ph=8.4 ...ral rule of thumb, feed once daily when <2-3", and every other day when >3-4". Puffers do not eat constantly in the wild and it is perfectly fine to ski
  5 KB (684 words) - 19:13, 16 December 2017
• Polypterus ansorgii
  |min_water_hardness=4
  1,013 bytes (142 words) - 02:50, 13 December 2017
• Nannostomus harrisoni
  |min_size=4.5 |min_water_hardness=4
  1 KB (137 words) - 02:50, 13 December 2017
• Brochis multiradiatus
  |max_size=4
  2 KB (300 words) - 02:50, 13 December 2017
• Yasuhikotakia morleti
  |min_size=4
  2 KB (370 words) - 02:50, 13 December 2017
• Acantopsis choirorhynchos
  ...keep with peaceful tank mates. Keep this Loach in groups of at least 3 or 4, not singly.
  2 KB (368 words) - 19:36, 11 June 2018
• Acantopsis octoactinotos
  |min_size=4 |max_size=4.5
  966 bytes (134 words) - 03:32, 13 December 2017
• Nimbochromis polystigma
  |stocking_ratio_female=4 ...male's in the tank. Generally it is recommended a 1:4 ratio (being 1 male 4 females)in any colony.
  3 KB (440 words) - 02:57, 13 December 2017
• Maylandia greshakei
  :Feed for 30 seconds 2-4 times a day 2 minutes maximum. They will eat more given a chance.
  2 KB (322 words) - 02:57, 13 December 2017
• Hypoptopoma sp "Peru"
  |min_life_span=4
  842 bytes (118 words) - 13:30, 25 February 2020
• Barbus jae
  |max_size=4
  2 KB (294 words) - 02:57, 13 December 2017
• Barbus janssensi
  |max_size=4
  1 KB (176 words) - 02:58, 13 December 2017
• Hemichromis bimaculatus
  |min_water_hardness=4
  3 KB (347 words) - 02:58, 13 December 2017
• Copella arnoldi
  |max_size=4
  1 KB (149 words) - 06:08, 23 September 2019
• Lepomis gibbosus
  |min_temperature=4
  3 KB (417 words) - 02:58, 13 December 2017
• Stigmatogobius sadanundio
  |max_size=4
  2 KB (254 words) - 02:58, 13 December 2017
• Pelvicachromis pulcher
  |max_size=4
  4 KB (554 words) - 02:58, 13 December 2017
• Pangio oblonga
  :This fish must be kept with at least 4-5 of its own kind, the bigger the group the more active they will be. Will
  3 KB (489 words) - 02:58, 13 December 2017
• Pseudochalceus kyburzi
  |min_water_hardness=4
  2 KB (234 words) - 02:58, 13 December 2017
• Synodontis nigrita
  |min_water_hardness=4
  2 KB (331 words) - 02:58, 13 December 2017
• Botia rostrata
  ...n peaceful community tanks. Should not be kept in groups of less than 3 or 4.
  2 KB (341 words) - 02:58, 13 December 2017
• Erimyzon sucetta
  |min_temperature=4
  822 bytes (115 words) - 02:58, 13 December 2017
• Rineloricaria lanceolata
  |max_size=4 : These fish can reach a potential size of 12 cm/4.7 inches. They are slightly smaller than the more popular species of [[Bris
  3 KB (380 words) - 07:30, 16 April 2021
• Ictiobus cyprinellus
  |min_life_span=4
  2 KB (324 words) - 17:46, 24 June 2020
• Monocirrhus polyacanthus
  :Usually every 4-5 days for older specimens, should not be fed another fish that is too big,
  3 KB (481 words) - 02:58, 13 December 2017
• Neolamprologus leleupi
  |max_size=4
  1 KB (192 words) - 02:58, 13 December 2017
• Hypsibarbus wetmorei
  :This fish is relatively sociable so does best kept in groups of at least 3-4 or more. May eat smaller fish so keep with similar sized robust tank mates
  2 KB (296 words) - 02:58, 13 December 2017
• Hyphessobrycon socolofi
  |min_water_hardness=4
  2 KB (261 words) - 02:58, 13 December 2017
• Cyprinodon alvarezi
  |min_size=4
  941 bytes (129 words) - 03:38, 13 December 2017
• Parosphromenus deissneri
  |min_size=4
  3 KB (503 words) - 02:58, 13 December 2017
• Brycinus longipinnis
  |min_size=4
  4 KB (531 words) - 02:59, 13 December 2017
• Neolamprologus multifasciatus
  |max_size=4 |stocking_ratio_female=2-4
  4 KB (566 words) - 21:09, 15 August 2023
• Ceratophrys ornata
  |min_size = 4
  2 KB (367 words) - 15:06, 15 January 2020
• Carinotetraodon irrubesco
  |min_size=4 |max_size=4.5
  3 KB (369 words) - 18:16, 16 December 2017
• Nannostomus marylinae
  |min_size=4 |min_water_hardness=4
  835 bytes (113 words) - 02:59, 13 December 2017
• Xiphophorus montezumae
  ...d males have a stick shaped anal fin. They produce up to 50 live fry every 4-8 weeks.
  2 KB (303 words) - 02:59, 13 December 2017
• Yasuhikotakia modesta
  ...d only be kept with similar sized robust fish. Should be kept in groups of 4 or more. If kept with smaller fish, there's a chance they will be eaten.
  2 KB (301 words) - 02:59, 13 December 2017
• Trichogaster microlepis
  |min_life_span=4
  3 KB (511 words) - 02:59, 13 December 2017
• Ctenopoma weeksii
  |min_water_hardness=4
  853 bytes (119 words) - 02:59, 13 December 2017
• Pterygoplichthys multiradiatus
  |min_water_hardness=4
  994 bytes (131 words) - 03:00, 13 December 2017
• Apistogramma norberti
  |max_water_hardness=4
  805 bytes (113 words) - 03:00, 13 December 2017
• Acanthocobitis urophthalmus
  |max_size=4
  2 KB (347 words) - 03:00, 13 December 2017
• Nannostomus unifasciatus
  |max_size=4 |min_water_hardness=4
  3 KB (432 words) - 03:00, 13 December 2017
• Synodontis notatus
  |min_water_hardness=4
  4 KB (592 words) - 03:00, 13 December 2017
• Acanthodoras cataphractus
  |min_size=4 |max_ph=7.4
  2 KB (345 words) - 03:01, 13 December 2017
• Melanochromis parallelus
  |min_size=4
  2 KB (347 words) - 03:01, 13 December 2017
• Mochokiella paynei
  |max_size=4
  885 bytes (124 words) - 03:01, 13 December 2017
• Cichlasoma festae
  :Festae are generally not sexable until approximately 3.5-4" or larger. The black vertical bars of males will fade and typically will
  3 KB (467 words) - 03:01, 13 December 2017
• Pseudotropheus estherae
  :These should be kept in a harem of 1 male to 3-4 females. Males will be territorial to one another, but arguments rarely inv
  4 KB (561 words) - 09:17, 3 March 2019
• Crenicichla regani
  |min_size=2.4 |min_water_hardness=4
  1 KB (195 words) - 03:01, 13 December 2017
• Crenuchus spilurus
  |min_water_hardness=4
  2 KB (332 words) - 03:02, 13 December 2017
• Amatitlania sajica
  |max_size=4
  2 KB (340 words) - 22:05, 14 December 2023
• Pseudotropheus saulosi
  |max_size=4
  4 KB (668 words) - 03:02, 13 December 2017
• Rasbora trilineata
  |min_size=4
  2 KB (308 words) - 03:02, 13 December 2017
• Datnioides microlepis
  ...tified as the [[Siamese Tigerfish]], the true Siamese Tigerfish only has 3-4 vertical stripes, whereas this fish has 5-7 vertical stripes. This fish has
  2 KB (330 words) - 03:03, 13 December 2017
• Barbus leonensis
  |max_size=4
  832 bytes (123 words) - 03:03, 13 December 2017
• Metynnis argenteus
  |min_size=4
  3 KB (379 words) - 03:03, 13 December 2017
• Hemiodus gracilis
  |min_water_hardness=4
  2 KB (270 words) - 03:03, 13 December 2017
• Gymnocorymbus bondi
  |min_size=4
  2 KB (235 words) - 03:03, 13 December 2017
• Lamprologus speciosus
  |min_size=4 |min_ph=7.4
  3 KB (454 words) - 14:23, 14 September 2022
• Cichla temensis
  |max_size=39.4 |min_water_hardness=4
  1 KB (142 words) - 03:03, 13 December 2017
• Agamyxis pectinifrons
  |min_size=4
  2 KB (290 words) - 03:04, 13 December 2017
• Malpulutta kretseri
  |max_size=4
  774 bytes (108 words) - 03:04, 13 December 2017
• Pimelodus pictus
  |min_size=4 ...s, only if they've been well-maintained their whole life. They usually get 4-8 inches in captivity.
  3 KB (520 words) - 03:04, 13 December 2017
• Astrodoras asterifrons
  |min_size=4
  2 KB (229 words) - 03:04, 13 December 2017
• Acipenser ruthenus
  |min_temperature=4 ...t dawn and dusk. During the winter, they will continue to feed down to {{C|4}}, feed carefully and remove any uneaten food.
  3 KB (492 words) - 03:04, 13 December 2017
• Pyrrhulina vittata
  |max_size=4
  814 bytes (113 words) - 03:04, 13 December 2017
• Synodontis flavitaeniatus
  |min_water_hardness=4
  822 bytes (113 words) - 03:05, 13 December 2017
• Alburnoides taeniatus
  |min_life_span=4
  859 bytes (119 words) - 03:05, 13 December 2017
• Xiphophorus hellerii
  |min_size=4 ...ank environment without much encouragement and produce up to 200 fry every 4-8 weeks. Adults will eat young fry, so dense planting such as [[Java Moss]]
  3 KB (496 words) - 03:05, 13 December 2017
• Lamprichthys tanganicanus
  |min_life_span=4
  3 KB (512 words) - 22:12, 13 November 2019
• Nannostomus eques
  |min_size=4
  978 bytes (131 words) - 03:05, 13 December 2017
• Pethia ticto
  |max_size=4
  2 KB (307 words) - 03:05, 13 December 2017
• Pseudoplatystoma fasciatum
  |min_water_hardness=4
  2 KB (312 words) - 03:05, 13 December 2017
• Hoplias malabaricus
  |min_water_hardness=4
  2 KB (357 words) - 03:05, 13 December 2017
• Barbonymus schwanenfeldii
  ...ough can be housed in slightly smaller tanks if kept in limited schools of 4 to 6 fish with plenty of open swimming space, carefully maintained good wat
  3 KB (477 words) - 03:05, 13 December 2017
• Neolebias trewavasae
  |max_size=4
  756 bytes (105 words) - 03:05, 13 December 2017
• Trachelyopterichthys taeniatus
  ...as similar sized peaceful tank mates. It does best in a group of at least 4-6 of its own kind. Should not be kept with small fish, fry or small inverte
  2 KB (226 words) - 03:32, 13 December 2017
• Nannostomus digrammus
  |min_water_hardness=4
  828 bytes (113 words) - 03:06, 13 December 2017
• Nannostomus bifasciatus
  |max_size=4 |min_water_hardness=4
  824 bytes (113 words) - 03:06, 13 December 2017
• Cichlasoma bimaculatum
  |min_size=4
  1,005 bytes (140 words) - 03:06, 13 December 2017
• Uaru amphiacanthoides
  :A peaceful Cichlid that should be kept in groups of 4-5 or more, keep more females to males. Will co-habit with equally peaceful
  3 KB (396 words) - 03:06, 13 December 2017
• Synodontis nigriventris
  |max_size=4
  3 KB (401 words) - 03:06, 13 December 2017
• Gymnapogon philippinus
  |min_size=4 |max_ph=8.4
  1 KB (128 words) - 03:36, 13 December 2017
• Rhinogobius duospilus
  |min_size=4
  1 KB (152 words) - 03:06, 13 December 2017
• Moenkhausia sanctaefilomenae
  ...rate breeding tank should be set up with slightly acidic, very soft water (4 dGH or below). If floating plants are provided, as the breeding pair will o
  3 KB (489 words) - 06:11, 23 September 2019
• Gephyrochromis moorii
  |min_size=4
  1 KB (188 words) - 03:07, 13 December 2017
• Hyphessobrycon bifasciatus
  |min_size=4
  2 KB (216 words) - 03:07, 13 December 2017
• Ageneiosus atronasus
  |min_size=4
  927 bytes (125 words) - 03:32, 13 December 2017
• Melanoides tuberculata
  4.'''Baiting a trap and removing them.''' ...s (like the [[Zebra Loach]], [[Pakistan loach]] (Yo Yo)) that remain under 4" in length and will eat the snails when small. Puffers like the [[Ceylon Pu
  8 KB (1,300 words) - 11:24, 9 January 2021
• Yeast
  *¼ tsp of baker yeast followed by 4 [[tbsp]] of sugar and 1 tbsp of ''[[Sodium bicarbonate]]'' is all that is u
  3 KB (585 words) - 08:38, 24 February 2011
• Bogwood
  *Even a small piece of about {{in|4}} long in a {{L|60}} tank is enough.
  6 KB (942 words) - 09:56, 12 March 2011
• Acaronia vultuosa
  |min_size=4
  1,010 bytes (136 words) - 03:32, 13 December 2017
• Water conditioners
  ...]</ref> , and API Stress Coat<ref>[Goldstein, Joel (1985). U.S. Patent No. 4,500,510. Washington, DC: U.S. Patent and Trademark Office]</ref>. :Found in Tetra Aquasafe<ref>[Gunter, Ritter (1988) U.S. Patent No. 4,786,434. Washington, DC: U.S. Patent and Trademark Office]</ref>, and Bio-s
  11 KB (1,751 words) - 14:14, 4 February 2018
• Ameiurus natalis
  ...plete with several sets of [[barbels]]. A Yellow Bullhead's "beard" (those 4 barbels on the lower jaw) is yellow-to-white in colour. This is a clear di
  2 KB (335 words) - 03:07, 13 December 2017
• Plant nutrients
  |N ([[nitrogen]])||NH₂,NH₄⁺,NO₂^-,NO₃^-||Ma |P ([[phosphorus]])||PO₄^- ([[Phosphate]])||Major||Fish food, Fertiliser
  3 KB (403 words) - 15:04, 16 July 2015
• Macrotocinclus affinis
  |min_life_span=4
  3 KB (408 words) - 09:42, 11 July 2021
• Tilapia fillets
  A 100g (4&nbsp;oz) fillet contains 90&nbsp;mg of Omega-3 fatty acids, 21&nbsp;grams o
  2 KB (379 words) - 03:38, 1 February 2019
• Beginning Fishkeeping
  ===4. Setting up the tank=== 4. You treat the aquarium with a ammonia and nitrite neutralising chemical ([
  18 KB (3,295 words) - 20:12, 28 January 2024
• Beginner FAQ-Equipment
  ...y well, nor bring out a fish's natural colors. As a quick rule of thumb, 2-4 watts/gallon of full-spectrum (or specialized ``plant'') lighting is good f ...more evenly distribute weight on the stand, it is a good idea to place a 1/4 inch sheet of Styrofoam between the stand and the tank.
  20 KB (3,512 words) - 16:25, 26 June 2008
• Boraras urophthalmoides
  |min_life_span=4
  3 KB (418 words) - 03:17, 13 December 2017
• Beginning Fishkeeping-Practical Freshwater Chemistry
  ...revent large pH swings in your tank over time. If your KH is below roughly 4.5 dH, you should pay special attention to your tank's pH (e.g, test weekly, |0 - 4 dH||0 - 70 ppm||align="right"|very soft
  16 KB (2,745 words) - 01:15, 14 February 2011
• Beginning Fishkeeping-Adding Fish
  ...ing the temperature to equalize. After about a half an hour or so, add a 1/4 cup of tank water to the bag. Repeat this process once every 15 minutes for
  11 KB (1,924 words) - 12:47, 25 December 2020
• Terminalia catappa
  ...m light and heat will ensure that any unused leaves will keep for at least 4–6 months. ...average {{in|6|10}} long leaf, you use one quarter of this for every {{L|4}} litres for Bettas or 1-2 leaves per {{L|50}} for other species. Leave the
  6 KB (882 words) - 19:14, 3 February 2021
• Hydrogen peroxide
  H2O2 in high levels (1 part H2O2 to 4 parts water) will perform the same job as bleach for cleaning equipment and
  5 KB (908 words) - 13:36, 28 June 2021
• Colisa labiosus
  |max_size=4 |min_water_hardness=4
  1 KB (187 words) - 03:09, 13 December 2017
• Glossolepis incisus
  |min_size=4
  3 KB (474 words) - 03:07, 13 December 2017
• Bacteria bottles, do they work?
  ...They all claimed to shorten the normal cycle process, which normally takes 4–8 weeks to complete. But these Cycle products all seem terribly vague in ...arser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=4&f=G&l=50&co1=AND&d=PTXT&s1=6,207,440&OS=6,207,440&RS=6,207,440 6,207,440] a
  11 KB (1,799 words) - 13:57, 9 June 2015
• Ancistrus sp.
  ...the cave until the eggs hatch (6+ days) and the fry become free-swimming (4+ days). He will try to keep them in the cave as long as possible, but once :Some pairs will produce a new clutch of eggs every 4-6 weeks. Clutches can range from 40-250 [[fry]].
  7 KB (1,129 words) - 02:44, 26 October 2023
• Garra cambodgiensis
  |min_size=4
  3 KB (472 words) - 03:07, 13 December 2017
• Biotodoma wavrini
  |max_size=4
  1 KB (187 words) - 03:07, 13 December 2017
• Trichopsis schalleri
  |min_size=4
  757 bytes (105 words) - 03:10, 13 December 2017
• Ariopsis seemanni
  ...h can swallow up 67% its body length! These fish prefer to be in groups of 4 or more.
  3 KB (461 words) - 03:07, 13 December 2017
• Amphiprion ocellaris
  |max_size=4 ...n anemone is included, they will defend it and will rarely stray more than 4" away from it, except to feed.
  4 KB (580 words) - 02:55, 26 October 2023
• Nemo
  ...fins or Sailfin crosses and can therefore get very large up to around {{in|4}}, for these fish you will need at least a {{gal|20}}.
  3 KB (524 words) - 02:47, 14 February 2011
• Centropyge ferrugata
  |max_size=4
  2 KB (370 words) - 00:33, 16 June 2020
• Centropyge bispinosa
  |max_size=4
  2 KB (291 words) - 01:20, 26 October 2023
• Lepidobatrachus laevis
  |min_size = 4
  3 KB (378 words) - 19:49, 26 December 2019
• Gobiosoma evelynae
  |max_size=4 |max_ph=8.4
  925 bytes (134 words) - 03:08, 13 December 2017
• Hymenocera elegans
  |min_size = 4
  2 KB (356 words) - 13:59, 8 August 2011
• Chelmon rostratus
  |max_ph=8.4 ...and slender, the mouth is small. The body is iridescent white-silver with 4 vertical yellow-orange bands running down the body, including one that goes
  3 KB (400 words) - 02:34, 26 October 2023
• Pseudotropheus demasoni
  |max_size=4
  3 KB (384 words) - 03:08, 13 December 2017
• Canthigaster valentini
  |max_size=4
  2 KB (243 words) - 03:09, 13 December 2017
• Aphanius anatoliae
  |min_size=4
  995 bytes (129 words) - 03:39, 13 December 2017
• Chromis viridis
  |max_size=4 |max_ph=8.4
  3 KB (373 words) - 18:05, 16 June 2020
• Calcinus elegans
  |max_ph = 8.4 |min_life_span = 4
  2 KB (250 words) - 11:28, 26 August 2018
• Odontodactylus scyllarus
  |max_ph = 8.4 |min_life_span = 4
  5 KB (801 words) - 07:28, 24 October 2016
• Austrolebias nigripinnis
  ...squeeze most of the water out of the peat, put in a plastic bag and wait 2-4 months before placing the eggs back in fresh, soft water. If hatching doesn
  5 KB (780 words) - 17:01, 20 November 2023
• Centropyge potteri
  |min_size=4
  3 KB (458 words) - 03:09, 13 December 2017
• Chaetodon trichrous
  |min_size=4 |min_life_span=4
  1 KB (155 words) - 03:37, 13 December 2017
• Lactoria diaphana
  |min_life_span=4
  878 bytes (119 words) - 03:09, 13 December 2017
• Amphiprion akallopisos
  |min_size=4 |min_life_span=4
  2 KB (219 words) - 14:58, 31 December 2017
• Amphiprion perideraion
  |max_size=4
  4 KB (518 words) - 15:19, 28 July 2018
• Plotosus lineatus
  :This fish also has 4 sets of [[barbels]] and has a '''highly venomous''' spine on the first dors
  3 KB (424 words) - 03:09, 13 December 2017
• Chaetodon capistratus
  |max_size=4
  2 KB (246 words) - 17:59, 15 June 2020
• Pseudanthias bartlettorum
  |max_size=4
  2 KB (319 words) - 03:09, 13 December 2017
• Pseudanthias dispar
  |max_size=4 |max_ph=8.4
  1 KB (150 words) - 03:09, 13 December 2017
• Hemigrammus stictus
  |min_size=4
  2 KB (266 words) - 03:10, 13 December 2017
• Geophagus steindachneri
  |min_size=4
  4 KB (624 words) - 03:09, 13 December 2017
• Alternanthera reineckii
  |min_water_hardness = 4
  2 KB (295 words) - 13:15, 7 June 2020
• Bacopa monnieri
  |min_water_hardness = 4
  1,018 bytes (116 words) - 15:42, 7 June 2020
• Nannostomus erythrurus
  |max_size=4
  841 bytes (119 words) - 03:10, 13 December 2017
• Melichthys indicus
  |min_life_span=4
  1 KB (139 words) - 03:09, 13 December 2017
• Melichthys niger
  |min_life_span=4
  1 KB (150 words) - 03:09, 13 December 2017
• Aphyosemion volcanum
  |min_size=4
  844 bytes (117 words) - 03:18, 13 December 2017
• Chromis cyaneus
  |min_size=4 |min_life_span=4
  2 KB (288 words) - 18:05, 16 June 2020
• Caridina cf. cantonensis
  |max_water_hardness = 4
  7 KB (1,033 words) - 15:28, 11 November 2023
• Telmatochromis temporalis
  |min_life_span=4
  797 bytes (110 words) - 03:09, 13 December 2017
• Activated Carbon
  ...stage in a [[filter]], and manufacturers recommend replacing it after 2–4 weeks. ...d water flow in fact occurs within the first 48 hours and after 100 hours (4 days) it can be removed. Higher quality carbon can effectivly remove contam
  7 KB (1,070 words) - 20:25, 18 September 2011
• Otocinclus vittatus
  |max_life_span=4 ...pt with active but non-aggressive tank mates. Keep all Otos in groups of 3-4 or more.
  3 KB (453 words) - 19:26, 22 February 2019
• Garra poilanei
  |min_size=4 |min_life_span=4
  953 bytes (132 words) - 03:10, 13 December 2017
• Copella nattereri
  |min_size=4
  795 bytes (113 words) - 03:10, 13 December 2017
• Hemigrammus vorderwinkleri
  |max_size=4
  2 KB (251 words) - 03:10, 13 December 2017
• Fundulopanchax filamentosus
  |min_life_span=4
  905 bytes (119 words) - 19:48, 6 December 2018
• Megalechis thoracata
  |min_life_span=4
  2 KB (320 words) - 03:10, 13 December 2017
• Dekeyseria pulchra
  |max_size=4
  1,012 bytes (140 words) - 03:10, 13 December 2017
• Mogurnda adspersa
  :Males have 3-4 brown-to-purple facial stripes extending from behind the eye to the back of ...ending on water temperature. Newly hatched larvae are approximately {{cm|0.4}} long.
  3 KB (486 words) - 05:54, 19 August 2020
• Characidium rachovii
  |min_size=4
  2 KB (286 words) - 03:10, 13 December 2017
• Copella vilmae
  |min_size=4 |min_ph=4.5
  741 bytes (106 words) - 03:10, 13 December 2017
• Acreichthys tomentosus
  |min_life_span=4
  1 KB (142 words) - 15:20, 17 June 2020
• Brycinus imberi
  |min_water_hardness=4
  2 KB (319 words) - 03:10, 13 December 2017
• Stenopus hispidus
  |max_size = 4 |max_ph = 8.4
  2 KB (349 words) - 11:49, 8 August 2011
• Metal Halide Lamp
  Image:hqi70w_reflector.jpg|(4) Corner cooling holes
  3 KB (471 words) - 06:28, 24 February 2011
• Mimagoniates lateralis
  |max_size=4
  2 KB (240 words) - 03:11, 13 December 2017
• Chaetostoma thomsoni
  |max_size=4
  2 KB (310 words) - 03:11, 13 December 2017
• Nannostomus trifasciatus
  |min_water_hardness=4
  997 bytes (128 words) - 03:11, 13 December 2017
• Amphilophus lyonsi
  |min_size=4
  1 KB (136 words) - 03:40, 13 December 2017
• Neolamprologus pulcher
  |max_size=4
  2 KB (265 words) - 03:11, 13 December 2017
• Rhynchocinetes durbanensis
  |max_size = 4 |max_ph = 8.4
  2 KB (267 words) - 03:43, 14 November 2017
• Abramites eques
  |min_size=4 |min_water_hardness=4
  2 KB (283 words) - 19:34, 27 December 2017
• Gramma melacara
  |max_size=4 |max_ph=8.4
  943 bytes (136 words) - 03:11, 13 December 2017
• Opistognathus aurifrons
  |max_size=4 |max_ph=8.4
  2 KB (233 words) - 03:11, 13 December 2017
• Marisa cornuarietis
  :A circular shell with 3-4 whorls, older snails have a [[planorboid]] shell. The shell is dark yellow
  2 KB (315 words) - 14:05, 2 March 2016
• Pomacea canaliculata
  |max_size = 4
  3 KB (499 words) - 00:13, 31 May 2017
• Physa acuta
  :The adults have a smooth brown speckled oval shell with 3-4 whorls, the last whorl of the shell is very much expanded, so it's larger t
  2 KB (315 words) - 03:45, 27 February 2024
• Pterois volitans
  |max_ph=8.4 ..."Lionfish envenomations in an urban wilderness". Wilderness Environ Med 7 (4): 291–6. PMID 11990126.</ref>
  4 KB (544 words) - 03:12, 13 December 2017
• Paracheilinus cyaneus
  |max_size=4 |max_ph=8.4
  1 KB (167 words) - 03:12, 13 December 2017
• Erethistes jerdoni
  |max_size=4
  3 KB (402 words) - 17:34, 28 September 2022
• Pistia stratiotes
  |min_water_hardness = 4
  2 KB (357 words) - 16:21, 7 June 2020
• Old Tank Syndrome
  When the water runs out of buffering ([[KH]] levels are low (< 4 dKH) ) the pH swings rapidly during the night or day and can crash suddenly
  3 KB (454 words) - 21:38, 14 March 2011
• Poropanchax normani
  |max_life_span=4
  3 KB (352 words) - 03:12, 13 December 2017
• Nematode
  They often simply disappear after 3 or 4 days if it's a newly [[cycled]] tank.
  2 KB (352 words) - 22:15, 4 June 2021
• Amblyeleotris randalli
  |max_size=4 |max_ph=8.4
  2 KB (353 words) - 03:12, 13 December 2017
• Poecilia maylandi
  |max_size=4
  2 KB (304 words) - 03:12, 13 December 2017
• Nannacara adoketa
  |max_size=4 |min_ph=4.5
  1 KB (154 words) - 03:12, 13 December 2017
• Gallons to litres chart
  |{{gal|1}}||{{gal|2}}||{{gal|3}}||{{gal|4}}||{{gal|5}}
  2 KB (168 words) - 05:44, 24 February 2011
• Ancistrus dolichopterus
  |max_size=4
  2 KB (325 words) - 13:22, 26 February 2020
• Litres to gallons chart
  |{{L|1}}||{{L|2}}||{{L|3}}||{{L|4}}||{{L|5}}
  2 KB (177 words) - 06:25, 24 February 2011
• Aborichthys elongatus
  ...staken for dinner. Likes company of its own kind, keep a group of at least 4. Will cohabit well with the [[Hillstream Loach]] as they require similar ta
  3 KB (397 words) - 18:30, 4 April 2024
• Hyphessobrycon heterorhabdus
  |max_size=4
  2 KB (317 words) - 03:13, 13 December 2017
• Monosolenium tenerum
  |min_water_hardness = 4
  1,002 bytes (114 words) - 16:11, 7 June 2020
• Panaqolus sp "L448"
  |min_size=4 |max_size=4.3
  865 bytes (122 words) - 03:49, 13 December 2017
• Botia kubotai
  |max_life_span=4 :They should be fed like any other fish: 2-4 times daily in small amounts. They can often be heard to make a clicking so
  4 KB (735 words) - 03:13, 13 December 2017
• Cyphotilapia gibberosa
  ...tern is reversed, this fish has a dark blue base colour with approximately 4 vertical white bands running down the body.
  1,023 bytes (139 words) - 03:13, 13 December 2017
• Lamprologus meleagris
  |min_life_span=4
  2 KB (336 words) - 03:13, 13 December 2017
• Perisesarma bidens
  |max_size = 4
  3 KB (465 words) - 02:37, 10 May 2021
• Synodontis lucipinnis
  |max_size=4
  2 KB (287 words) - 03:13, 13 December 2017
• Iguanodectes spilurus
  |min_life_span=4
  2 KB (256 words) - 03:13, 13 December 2017
• Lisbon Oceanarium
  ''The Global Ocean tank, one of the world’s largest aquariums (4 million litres), is visible throughout a visit to the Oceanarium. The tank *Child - €4.50
  2 KB (355 words) - 07:13, 21 July 2008
• Auchenipterichthys coracoideus
  |min_size=4
  1 KB (185 words) - 03:13, 13 December 2017
• Brachygobius doriae
  |max_size=4.2 ...fish is elongated and round. The base colour is pale yellow or white with 4 broad vertical bands, the first over the head, the next two on the body, an
  2 KB (326 words) - 03:13, 13 December 2017
• Brachygobius nunus
  ...little fish is elongated and round. The base colour is mustard yellow with 4 broad vertical black bands, the first is over the eye with white lips, the
  2 KB (343 words) - 03:13, 13 December 2017
• Brachygobius sabanus
  ...little fish is elongated and round. The base colour is mustard yellow with 4 broad vertical black bands, the first is over the eye with white lips, the
  2 KB (332 words) - 03:13, 13 December 2017
• Xiphophorus pygmaeus
  |max_size=4
  2 KB (308 words) - 03:13, 13 December 2017
• Gambusia holbrooki
  ...- 100 fry per clutch, and her gestation period will last anywhere from 3 - 4 weeks. Adults will cannibalize young if the young are not given sufficient
  2 KB (344 words) - 02:44, 15 February 2018
• Baryancistrus chrysolomus
  |min_water_hardness=4
  1 KB (151 words) - 13:11, 26 February 2020
• Hypancistrus sp "L004"
  |max_size=4
  2 KB (329 words) - 03:13, 13 December 2017
• Peckoltia braueri
  |min_size=4
  2 KB (333 words) - 03:13, 13 December 2017
• Panaqolus albivermis
  |min_size=4 |max_ph=8.4
  2 KB (360 words) - 03:13, 13 December 2017
• Peckoltia vittata
  |max_size=4
  3 KB (432 words) - 13:06, 26 February 2020
• Paracheirodon simulans
  |min_water_hardness=4
  2 KB (316 words) - 03:13, 13 December 2017
• Haludaria melanampyx
  |min_size=4 |min_water_hardness=4
  1 KB (165 words) - 03:13, 13 December 2017
• Ancistrus triradiatus
  |min_size=4
  2 KB (317 words) - 03:14, 13 December 2017
• Betta albimarginata
  |max_size=4 |min_water_hardness=4
  3 KB (543 words) - 03:14, 13 December 2017
• Betta akarensis
  |min_water_hardness=4
  941 bytes (131 words) - 03:33, 13 December 2017
• Baryancistrus sp "L142"
  |max_ph=7.4 ...the market, can be differentiated from the others by its dentition, it has 4 large rasping plates that cover most of its oval mouth as opposed to simila
  2 KB (303 words) - 03:14, 13 December 2017
• Botia histrionica
  |min_size=4
  2 KB (381 words) - 03:14, 13 December 2017
• Tubifex
  Protein: 50-60% min, Fat: 10% min, Fibre: 2% max, Moisture: 4% max, Phosphorus 0.1% max, Ash 0.1% max.
  4 KB (635 words) - 06:15, 13 March 2011
• Hemiancistrus sp "L128"
  ...ank; if little algae then more often, if a lot of algae then maybe every 3-4 days. They also need [[bogwood]], it is a must they scrape of bacteria a th
  3 KB (494 words) - 02:45, 26 October 2023
• Hypancistrus sp "L066"
  |min_size=4
  2 KB (352 words) - 03:14, 13 December 2017
• Peckoltia compta
  |min_size=4 |max_size=4.3
  1 KB (164 words) - 13:05, 26 February 2020
• Hypancistrus sp "L270"
  |max_size=4
  952 bytes (135 words) - 22:55, 14 October 2020
• Adrianichthyidae
  ...o and are found in both fresh and brackish water. There are 3 subfamilies, 4 genera, and 33 species presently known in this family.
  287 bytes (40 words) - 12:16, 12 April 2021
• Stocking a 10 Gallon Tank
  ...ep one male per three females. If you are keeping a single-sex group, keep 4-6 individuals. ...ittle fish, if a single-sex group is to be kept, do not keep any less than 4 individuals.
  17 KB (2,813 words) - 09:31, 22 July 2016
• Lysmata wurdemanni
  |max_ph = 8.4 |min_life_span = 4
  2 KB (337 words) - 02:11, 2 May 2024
• Alpheus bellulus
  |max_size = 4 |max_ph = 8.4
  2 KB (244 words) - 10:43, 26 August 2018
• Saron marmoratus
  |max_ph = 8.4 ...u.co.uk/Invertebrates/MarineInvertebrates/Shrimp/SaronShrimp Tropical Fish 4 U]
  2 KB (310 words) - 11:42, 8 August 2011
• Paretroplus menarambo
  ...d with black dots in a pin stripe pattern. As they reach adulthood, around 4" or 3 years old, they are blue/grey to almost white with black dot pin stri
  3 KB (402 words) - 03:14, 13 December 2017
• Peckoltia oligospila
  |max_size=4
  2 KB (285 words) - 03:14, 13 December 2017
• Barbonymus altus
  :A large peaceful shoaling fish that should be kept in groups of at least 4 or 5. Do not keep with very small fish nor with long-finned slow-moving fis ...are an active schooling barb that likes to be kept in numbers of at least 4-5 of it's own kind. It accepts new shoal members and will school with ''[[B
  4 KB (693 words) - 03:14, 13 December 2017
• Dekeyseria sp "L052"
  |min_size=4.7 |min_water_hardness=4
  2 KB (257 words) - 03:14, 13 December 2017
• Ancistrini sp "L016"
  |min_water_hardness=4
  1 KB (215 words) - 03:14, 13 December 2017
• Nemacheilus platiceps
  |min_size=4
  840 bytes (119 words) - 03:14, 13 December 2017
• Aequidens metae
  |min_size=4 |max_water_hardness=4
  1 KB (145 words) - 03:14, 13 December 2017
• Cirrhilabrus jordani
  |max_size=4 |max_ph=8.4
  1 KB (213 words) - 03:14, 13 December 2017
• Trachemys scripta elegans
  ...some states in the US where it is often illegal to sell any terrapin under 4" long.
  9 KB (1,584 words) - 15:53, 8 August 2011
• Hybrid Fish
  ...nches and the Blue Acara gets about 7-8 inches, this hybrid will get about 4-6 inches depending on whether the fish is male or female. The Electric Blue ...Catfish]]''' - will grow larger than both parents so expect a fish around 4&nbsp;ft long! Not for beginners or those without large indoor tropical pond
  7 KB (1,145 words) - 05:42, 31 January 2022
• Danio kerri
  |min_size=4
  2 KB (305 words) - 03:15, 13 December 2017
• Breeding Betta splendens
  ...p your {{gal|10}} tank. Add dechlorinated water but a maximum of only {{in|4|6}} depth. Keep it bare-bottom, substrate would hide the eggs. Use the matu
  8 KB (1,369 words) - 16:58, 19 February 2016
• Melanotaenia affinis
  |min_size=4
  1 KB (147 words) - 03:15, 13 December 2017
• Oryzias celebensis
  |min_size=4
  2 KB (281 words) - 03:15, 13 December 2017
• Parambassis pulcinella
  |max_size=4
  1 KB (180 words) - 03:15, 13 December 2017
• Aphyosemion striatum
  |min_size=4
  3 KB (436 words) - 07:23, 10 January 2020
• Nothobranchius guentheri
  ...take baby brine shrimp and microworms right away and can reach maturity in 4-5 weeks if conditions are good; fry are sensitive to water changes, and thu
  4 KB (719 words) - 15:28, 14 November 2019
• Pachypanchax omalonotus
  |max_size=4
  2 KB (368 words) - 03:15, 13 December 2017
• Pachypanchax playfairii
  |max_size=4
  1 KB (146 words) - 03:15, 13 December 2017
• Mystus rhegma
  |min_size=4 |max_size=4.8
  906 bytes (130 words) - 03:16, 13 December 2017
• Thalassophryne amazonica
  |min_size=4
  1 KB (206 words) - 03:16, 13 December 2017
• Megalechis picta
  |min_size=4.5 |min_life_span=4
  2 KB (310 words) - 03:17, 13 December 2017
• Alternanthera aquatica
  |min_water_hardness = 4
  3 KB (362 words) - 13:14, 7 June 2020
• Cabomba caroliniana
  ...arrangement. They are less than 1/2&nbsp;inch long and narrow (less than 1/4&nbsp;inch). There flowers are white and small and float on the surface.
  1 KB (166 words) - 15:49, 7 June 2020
• Ecsenius namiyei
  |max_size=4 |max_ph=8.4
  1 KB (176 words) - 03:17, 13 December 2017
• Ecsenius bicolor
  |max_size=4 |max_ph=8.4
  2 KB (325 words) - 03:17, 13 December 2017
• Macrodactyla doreensis
  |max_ph = 8.4 :The Long Tentacle Anemone requires at least {{in|4}} of deep sand substrate in order to attach itself. Once attached, it rarel
  3 KB (401 words) - 13:48, 6 June 2020
• Neocirrhites armatus
  |max_size=4 |max_ph=8.4
  2 KB (243 words) - 03:18, 13 December 2017
• Cichlasoma urophthalmus
  |min_life_span=4 |min_water_hardness=4
  16 KB (2,537 words) - 03:18, 13 December 2017
• Ecsenius midas
  |max_size=4 |max_ph=8.4
  2 KB (378 words) - 01:30, 3 January 2018
• Osphronemidae
  ...of around 60 pieces belonging to the order ''[[Perciformes]]''. There are 4 sub-families which are:
  377 bytes (41 words) - 12:26, 23 July 2010
• Anabantidae
  ...of around 30 species belonging to the order ''[[Perciformes]]''. There are 4 sub-families in this family which are ''Anabas'', ''Ctenopoma'', ''Microcte
  290 bytes (36 words) - 12:20, 23 July 2010
• Osteoglossidae
  ...reshwater fish belonging to the order ''[[Osteoglossiformes]]''. There are 4 genera and 8 species in this family.
  221 bytes (30 words) - 13:19, 19 November 2010
• Telmatherinidae
  ...sides|Silversides]], belong to the order ''[[Atheriniformes]]''. There are 4 genera and 17 species in this family.
  178 bytes (22 words) - 12:35, 23 July 2010
• Synbranchidae
  ...'', or Swamp Eels, belong to the order ''[[Synbranchiformes]]''. There are 4 genera and 20 species in this family.
  143 bytes (20 words) - 19:46, 11 November 2010
• Chacidae
  ...l family of catfish belonging to the order ''[[Siluriformes]]''. There are 4 known species in this family.
  174 bytes (26 words) - 12:17, 30 September 2010
• Heteropneustidae
  ...y of catfish belonging to the order ''[[Siluriformes]]''. There are a mere 4 known species in this family and their pectoral fin is associated with a po
  361 bytes (61 words) - 12:18, 30 September 2010
• Mastacembelidae
  ...are part of the order ''[[Synbranchiformes]]'', the Swamp Eels. There are 4 genera in this family and 78 species.
  242 bytes (36 words) - 19:46, 11 November 2010
• Nandidae
  ...''', or Asian Leaffish, belong to the order ''[[Perciformes]]''. There are 4 genera in this family with 9 known species. They usually have small heads,
  404 bytes (59 words) - 12:25, 23 July 2010
• Protopteridae
  ...sh, belongs to the order ''[[Lepidosireniformes]]''. There is 1 genera and 4 species in this family.
  147 bytes (19 words) - 18:52, 13 January 2011
• Pseudochromidae
  ...r ''[[Perciformes]]''. There are over 90 species in this family split into 4 sub-families:
  266 bytes (27 words) - 04:35, 14 February 2011
• Scatophagidae
  ...or Scats, belong to the order ''[[Perciformes]]''. There are 2 genera and 4 species in this family.
  132 bytes (19 words) - 12:28, 23 July 2010
• Limnobium laevigatum
  |min_water_hardness = 4
  2 KB (282 words) - 14:19, 11 September 2020
• Pseudocorynactis caribbeorum
  |max_ph=8.4 :Acceptable foods range in size from zooplankton to meaty chunks roughly 1/4 the size of the corallimorph's disk. Larger food may be accepted initially,
  3 KB (379 words) - 22:35, 6 June 2020
• Pseudotropheus crabro
  |min_size=4
  3 KB (502 words) - 03:18, 13 December 2017
• AmQuel Plus
  When treating tap water this is designed to remove up to 4&nbsp;mg/L (ppm) of chlorine which is the standard rate in most USA States.
  1 KB (214 words) - 00:35, 14 February 2011
• Tetra Test 6in1
  *[[Nitrite]] (No₂) 0 to 10&nbsp;mg/l in 4 stages (inc. zero) *[[GH]] 0 to 16°d in 4 stages (inc. zero)
  4 KB (742 words) - 13:01, 18 February 2011
• Mg/l
  mg/litre = [[ppm]], equals ml/l. So 4&nbsp;mg/l equals 4ppm or 4ml/l
  281 bytes (46 words) - 03:55, 14 February 2011
• Nothobranchius patrizii
  |max_size=4
  2 KB (314 words) - 03:18, 13 December 2017
• Trigonostigma espei
  |min_life_span=4 ...ld Guide for Fishery Purposes.</u> FAO, Rome, pgs. 4, 77. ISBN 92-5-103743-4 [http://www.fao.org/docrep/010/v8731e/v8731e00.htm Available Here]</ref> Un
  6 KB (925 words) - 03:18, 13 December 2017
• CO2 testing
  ...f chemical (usually Bromothymol blue) in a reference solution with a KH of 4. The solution is colour sensitive to {{CO2}} from the air. You place in it
  3 KB (480 words) - 04:45, 24 February 2011
• Boraras brigittae
  |min_life_span=4
  2 KB (350 words) - 18:19, 28 March 2021
• Boraras merah
  |min_life_span=4
  1 KB (162 words) - 03:18, 13 December 2017
• Breeding Tateurndina ocellicauda
  * Small 2-3 Inch flower pots <ref name="Carter" /> or 3/4 to 1/2&nbsp;inch diameter pvc pipes <ref name="Katuska" /> for spawning cav
  5 KB (827 words) - 01:40, 14 February 2011
• Bodianus bimaculatus
  |max_size=4 |max_ph=8.4
  2 KB (256 words) - 03:19, 13 December 2017
• Trigonostigma somphongsi
  |max_life_span=4
  4 KB (524 words) - 03:19, 13 December 2017
• Mecaenichthys immaculatus
  |min_life_span=4
  874 bytes (117 words) - 03:19, 13 December 2017
• Oryzias latipes
  |max_size=4 |min_life_span=4
  3 KB (513 words) - 03:19, 13 December 2017
• Stocking a 5 Gallon Tank
  ...d in a larger tank also. In a planted tank with places to hide and explore 4-5 males should be ok, just be sure to try and get purebred Endlers, Guppy h
  7 KB (1,172 words) - 13:56, 4 June 2020
• Bufo americanus
  ...toadpoles per gallon of water. They are ravenous eaters so feed them every 4 hours. They prefer algae tablets or veggies (green beans, zucchini, shelled
  3 KB (449 words) - 12:47, 6 June 2020
• Alcolapia alcalicus
  |min_size=4 |max_size=4.6
  3 KB (495 words) - 03:19, 13 December 2017
• Priapella intermedia
  |min_size=4
  843 bytes (117 words) - 03:19, 13 December 2017
• Nitrifying bacteria
  ...rms of [[nitrogen]] dissolved in water (typically [[ammonia]] (NH³/NH⁴) and [[nitrite]] (NO²)) into other forms of less toxic nitrogen (typ
  2 KB (368 words) - 20:04, 24 September 2010
• Stocking a Peaceful Community Tank
  *3-4 [[Panda Cory]]s ...ers or at the store. For a worry-free tank, keep males only. In a group of 4-5 plus they should not worry each other. They are active fish and appreciat
  20 KB (3,304 words) - 15:02, 24 February 2016
• Pethia gelius
  |min_size=4
  1,013 bytes (145 words) - 03:19, 13 December 2017
• Trace elements
  ...dp/0309048915 Amazon])</ref> (Aquarists often advise giving your fish 3 or 4 different types of food a month to ensure that the animal gets all its requ
  6 KB (1,021 words) - 05:11, 14 February 2011
• M and R Dogfish
  <googlemap lat="55.851788" lon="-4.298637" type="map" zoom="17"> 55.851241, -4.299016, M and R Dogfish Shop
  2 KB (240 words) - 03:47, 14 February 2011
• Breeding Corydoras
  Layout and wikified by --[[User:Quatermass|Quatermass]] 16:36, 4 January 2009 (UTC)
  8 KB (1,354 words) - 00:16, 15 May 2011
• Considerations in Fishless Cycling
  ...problems here). We are an impatient society. Few are willing to wait 2–4 weeks before adding fish to their first tank. ...the KH of the water that is used for your tank. If the KH is less than 3-4 degrees, or about 50+-70 ppm<ref>Footnotes:
  11 KB (1,790 words) - 02:09, 14 February 2011
• Chaetodon kleinii
  :Feed 3 to 4 times a day.
  3 KB (382 words) - 17:29, 15 June 2020
• Fish waste
  *Uric acid C₅H₄N₄O₃ - a organic compound of [[carbon]], [[nitrogen]], [[oxyg *Creatinine C₄H₇N₃O - a waste product of [[Wikipedia:Phosphocr
  1 KB (166 words) - 02:50, 14 February 2011
• Platydoras armatulus
  |min_life_span=4
  2 KB (360 words) - 03:19, 13 December 2017
• Pangio anguillaris
  |max_size=4 ...ilar sized robust fish but nothing aggressive. Should be kept in groups of 4 or more.
  2 KB (272 words) - 03:20, 13 December 2017
• Plants and Biological Filtration
  ...e to locate published studies on 33 different aquatic plant species. Only 4 of the 33 species preferred nitrates (Table 1). Even then, these 4 species come from unusually nutrient-deprived environments that are not typ
  15 KB (2,266 words) - 11:00, 19 November 2018
• Archocentrus nanoluteus
  |max_size=4
  4 KB (601 words) - 03:20, 13 December 2017
• Procambarus sp "marmorkrebs"
  |max_size = 4 |max_life_span = 4
  5 KB (728 words) - 14:40, 8 August 2011
• Hymenocera picta
  |min_size = 4
  2 KB (355 words) - 13:25, 8 August 2011
• Heteroxenia fuscescens
  |max_ph=8.4 ...any type of poison or toxins. Although these animals reproduce quickly so 4-5 inches of space should be provided between other corals. Also may shadow
  2 KB (240 words) - 22:21, 6 June 2020
• Image copyright tags/Public domain
  * {{tl|PD-Meyers}} — image comes from the 4^th edition of Meyers Konversationslexikon (1888)
  19 KB (2,946 words) - 03:17, 26 December 2020
• Kalkwasser
  ...turate the water. A good method is to take a one gallon jug and fill it up 4/5 of the way. Put a half teaspoon in the water. Shake the solution up. Al
  1 KB (223 words) - 03:33, 14 February 2011
• Salvinia minima
  |max_width = 4 ...t shaped bases and rounded to notched tips. Leaf lengths range from {{cm|0.4|2}}. Smaller, orbicular leaves lie flat on the water surface while larger l
  3 KB (451 words) - 16:22, 7 June 2020
• Salvinia molesta
  ...remains buoyant on the surface of a body of water. The fronds are {{cm|0.5|4}} long and broad, with a bristly surface, and produced in pairs also with a
  2 KB (277 words) - 22:45, 27 January 2022
• Taenianotus triacanthus
  |min_size=4 |max_ph=8.4
  4 KB (551 words) - 03:20, 13 December 2017
• Enoplometopus occidentalis
  |min_size = 4 |max_ph = 8.4
  1 KB (141 words) - 14:41, 10 January 2014
• Hyphessobrycon metae
  |max_size=4 |min_water_hardness=4
  2 KB (260 words) - 03:20, 13 December 2017
• Venting
  *At least 3 buckets (4 would be better) ...l of the fish you want to vent and place them in 1 bucket. Buckets 2,3 and 4 are going to be used for males, females, and unsure.
  3 KB (510 words) - 05:16, 14 February 2011
• Weight of Water
  In a typical 4 foot tank, say ~{{L|250}}, that water will weigh in at 250Kg or 555&nbsp;lb
  993 bytes (170 words) - 21:55, 25 June 2011
• Lilaeopsis brasiliensis
  |min_water_hardness = 4 ...right conditions form a short carpet. Reaches a height of from about {{cm|4|7}}.
  2 KB (220 words) - 16:08, 7 June 2020
• Garra flavatra
  |max_size=4
  3 KB (398 words) - 03:05, 26 October 2023
• Anodonta anatina
  |max_size = 4 ...added to a well established tank. They need at least an inch (preferably 2-4") of sand or small gravel substrate in which to burrow.
  3 KB (379 words) - 02:38, 8 August 2011
• Dendrochirus brachypterus
  |max_size=4 |max_ph=8.4
  4 KB (576 words) - 03:20, 13 December 2017
• Top Freshwater Aquarium Tips
  ;Tip 4 - Never buy a fish from a shop if there is other dead or diseased fish in t
  2 KB (427 words) - 05:10, 14 February 2011
• Stocking an Oddball Tank
  ...but does better with others of it's own kind, keep in groups of at least 3-4 or more and be prepared to separate them if any become overly dominant. The ...s a spacious tank. They can be pretty shy so must be in groups of at least 4-5 or more. They should cohabit peacefully with similar sized peaceful fish,
  18 KB (2,968 words) - 20:25, 30 March 2017
• Calcium hydrogen phosphate
  CaHPO₄ - Calcium hydrogen phosphate, calcium monohydrogen phosphate or Dical
  334 bytes (47 words) - 04:46, 24 February 2011
• Corydoras amandajanea
  |min_size=4
  2 KB (257 words) - 03:20, 13 December 2017
• Archocentrus myrnae
  |max_size=4 ...ls and ponds of Central America. Clear, rapid flowing water with a pH of 8.4 and a sandy bottom.<ref>[http://www.cichlidae.com/tank.php?id=212] "Breedin
  4 KB (643 words) - 03:20, 13 December 2017
• Najas guadalupensis
  |min_water_hardness = 4
  1 KB (194 words) - 16:13, 7 June 2020
• Hyphessobrycon frankei
  |min_water_hardness=4
  2 KB (297 words) - 03:20, 13 December 2017
• Pseudocheilinus ocellatus
  |min_size=4 |max_size=4.7
  1 KB (198 words) - 03:20, 13 December 2017
• Antennarius maculatus
  |min_size=4
  1 KB (175 words) - 03:20, 13 December 2017
• Mycobacteriosis
  Kanamycin powder at 1/4 teaspoon per {{gal|20}} and Isoniazid at one tablet per {{gal|10}}. You nee
  9 KB (1,344 words) - 14:51, 22 March 2018
• Enchytraeus albidus
  ...ll white worm, similar to the common earth worm except it is white, {{cm|3|4}} in length and about 1mm in diameter.
  7 KB (1,201 words) - 21:06, 7 November 2017
• Neoglyphidodon melas
  |min_size=4 |max_ph=8.4
  2 KB (220 words) - 03:20, 13 December 2017
• Unio pictorum
  |max_size = 4 ...added to a well established tank. They need at least an inch (preferably 2-4") of sand or small gravel substrate in which to burrow.
  3 KB (380 words) - 16:56, 8 August 2011
• Cryptocentrus leptocephalus
  |min_size=4 |max_ph=8.4
  3 KB (497 words) - 03:21, 13 December 2017
• Serranocirrhitus latus
  |max_size=4
  1 KB (215 words) - 03:21, 13 December 2017
• Zebrasoma xanthurum
  |max_ph=8.4 :Ideally they should be fed everyday with 3-4 supplemental feedings of dried algae.
  2 KB (295 words) - 02:35, 26 October 2023
• Lymnaea stagnalis
  |min_size = 4
  4 KB (574 words) - 13:55, 2 March 2016
• Redfield Ratio
  |style="text-align:center;background:#53d4f9;"|4 |style="text-align:center;background:#53d4f9;"|4
  4 KB (526 words) - 07:33, 24 February 2011
• Neovespicula depressifrons
  |max_size=4
  2 KB (356 words) - 03:21, 13 December 2017
• Lepomis cyanellus
  |min_temperature=4
  9 KB (1,434 words) - 20:10, 8 May 2019
• Pseudomugil mellis
  |max_size=4
  2 KB (306 words) - 03:21, 13 December 2017
• Aphyosemion georgiae
  |min_water_hardness=4
  914 bytes (125 words) - 03:21, 13 December 2017
• Cnidoglanis macrocephalus
  :A large bodied catfish with a broad head and 4 sets of [[barbel]]s around the head. They have a fairly striking colouratio
  2 KB (354 words) - 03:21, 13 December 2017
• Pethia tiantian
  |min_size=4 |max_size=4.5
  1 KB (149 words) - 03:21, 13 December 2017
• Peckoltia lujani
  0 bytes (0 words) - 13:22, 13 November 2015
• Atya gabonensis
  |min_size = 4
  2 KB (248 words) - 02:16, 26 October 2023
• Hemigrammus barrigonae
  |max_size=4
  1 KB (148 words) - 03:22, 13 December 2017
• Hemigrammus boesemani
  |max_size=4 |max_ph=7.4
  1 KB (159 words) - 03:22, 13 December 2017
• Centigrade-Fahrenheit Chart
  |3||37.4 |4||39.2
  1,021 bytes (97 words) - 11:04, 17 January 2010
• Marine Aquarium Lighting
  ...three tanks use them because of they are fairly maintenance free for about 4 to 5 years at a time. There is one caveat and that is in order to get the
  5 KB (887 words) - 03:51, 14 February 2011
• Pseudanthias luzonensis
  |min_size=4 |max_ph=8.4
  1 KB (159 words) - 03:22, 13 December 2017
• Iodotropheus sprengerae
  |min_size=4
  1 KB (178 words) - 03:22, 13 December 2017
• Anoplocapros lenticularis
  |min_life_span=4
  1 KB (193 words) - 03:22, 13 December 2017
• Batasio batasio
  |max_size=4 :A peaceful Catfish that does best in groups of at least 3-4 or more of its own kind. Keep with other fish that enjoy strong currents su
  2 KB (281 words) - 03:22, 13 December 2017
• Stiphodon pelewensis
  |max_size=4 |min_ph=7.4
  2 KB (280 words) - 03:22, 13 December 2017
• Haplochromis chromogynos
  |min_size=4
  1 KB (155 words) - 03:33, 13 December 2017
• Opistognathus randalli
  |max_size=4 |max_ph=8.4
  1 KB (198 words) - 03:23, 13 December 2017
• Priolepis nocturna
  |min_life_span=4 |max_ph=8.4
  1 KB (160 words) - 03:23, 13 December 2017
• Cirrhilabrus exquisitus
  |min_size=4 |max_ph=8.4
  984 bytes (130 words) - 03:23, 13 December 2017
• Cirrhilabrus cyanopleura
  |min_size=4 |max_ph=8.4
  995 bytes (134 words) - 03:23, 13 December 2017
• Rachoviscus crassiceps
  |min_life_span=4
  2 KB (275 words) - 03:23, 13 December 2017
• Rasbora kalochroma
  |max_size=4
  1 KB (152 words) - 03:23, 13 December 2017

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