Gambusia holbrooki

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Eastern Mosquito Fish
Eastern Mosquito Fish
Species Gambusia holbrooki
Difficulty Easy
Min. Tank Size 75.708 liters
75,708.236 mL

20 US Gallons (75.7L)

Size 3.15 in

3.5-8 cm (1.4-3.1")

pH 6.0 - 8.8
Temp. 288.15 K
59 °F
518.67 °R

308.15 K
95 °F
554.67 °R
15 -35 °C (59-95°F)

Stocking Ratio 1:3 M:F
Availability Uncommon
Diet

Omnivore
Flake Foods
Live Foods
Other (See article)

Life Span

3-5 years

Contents

[edit] Alternative names

Mosquito Fish

[edit] Sexing

Females notably larger than males. Females have gravid spot near anal fin when pregnant. Males have gonopodium.

[edit] Reproduction

These fish are livebearers, and just putting males and females in a tank will cause mating. Females will have anywhere from 3 - 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 places to hide. Good hiding spots include java moss and large marbles at the bottom of the tank.

[edit] Tank compatibility

This is a rather aggressive species and should be kept in a species-only tank. Can have a male- or female-only tank.

[edit] Diet and Feeding

With work, will accept flakes. Enjoys Bloodworms and brine shrimp as they are similar to their food in the wild. Can be feed up to three times daily.

[edit] Environment Specifics

This is a hardy fish and can be used to cycle aquariums. Plants and hiding places for females and fry are recommended. Can be kept in ponds for minimal mosquito control or to complete the ecosystem.

[edit] Distribution

Native to the eastern US. Has been introduced worldwide in attempt to control mosquitoes. Has had very little impact on mosquito population. Hurt the local fish populations more.

[edit] Behaviour

Aggressive. Males more aggressive than females.

[edit] Identification

Resembles a guppy in body shape and size. Olive colored body with purple and silver highlights.

[edit] Pictures

[edit] External links

Facts about Gambusia holbrooki
Availability Uncommon
Common name Eastern Mosquito Fish
Diet Omnivore  +
Difficulty Easy
Family Poeciliidae  +
Foods Flake Food  +, Live Food  +, and Other Foods  +
Maximum Size 3.15 in (8 cm)  +
Maximum age 5  +
Maximum pH 8.8  +
Maximum temperature 308.15 K (35 °C, 95 °F, 554.67 °R)  +
Minimum Tank Size 20 US Gallon (75.708 liters, 75,708.236 mL)  +
Minimum pH 6  +
Minimum temperature 288.15 K (15 °C, 59 °F, 518.67 °R)  +
Scientific name Gambusia holbrooki
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