Somphongs's Rasbora (Trigonostigma somphongsi)

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Latest revision as of 16:21, 8 August 2011

Somphongs's Rasbora

Trigonostigma somphongsi.jpg
Trigonostigma somphongsi

Trigonostigma somphongsi

Moderate

45.425 liters
45,424.941 mL
45.4 Litres (12 US G.)

1.181 in 2.5-3 cm (1-1.2")

sg

Freshwater

pH

5.5 - 7.5

295.15 K
71.6 °F
531.27 °R
299.15 K
78.8 °F
538.47 °R
22 -26 °C (71.6-78.8°F)

2-10 °d

1:1 M:F

2-4 years




Contents

Alternative Names

Somphongs's Rasbora
This species was described and named by Meinken in 1958, and reclassified by Kottelat & Witte into the genus Trigonostigma in 1999.[1]
This species common name Somphongs's Rasbora comes from the Somphongs Aquarium Company.[2]

Synonyms

Rasbora sompongsi

Origin

A rare fish native to Thailand. Possibly found in the Menam (Chao Phrya) river basin, but also reported found in the nearby Mae Klong river basin within Ratchaburi.

Sexing

Gender ratios are generally unimportant unless breeding is desired, and sexing is difficult. Females may be slightly larger and posses a rounder belly.

Breeding

Unlike most Cyprinids, which are “egg scatterers”, members of the Triginostigma genus attach their eggs to the underside of broad leaves. Spawning in home aquaria is unlikely as this species requires pristine, acidic, and very soft water for successful breeding, and fry require microfoods. For more information see: Breeding Trigonostigma.

Tank Compatibility

Like many other small schooling species it is recommended to keep in larger schools of 10 or more individuals when possible to help reduce shyness. A tank length of at least 24" is recommended to allow adequate movement for the school. Avoid all aggressive species, as well as larger and/or overly active species that may consume or frighten T. somphongsi.

Diet

Should accept crushed flake, micro pellets, and very small dried, frozen, or live foods. Cyclops, small mosquito larvae, and young Brine Shrimp also readily taken.

Feeding Regime

Feed one to two times daily

Environment Specifics

Thrives in soft, slightly acidic water. Appreciates a heavily planted tank with dark substrate, use floating plants as this fish doesn't appreciate bright lighting.

Behaviour

A mid-top swimming fish which is a shy, peaceful schooling species.

Identification

Smallest fish in the genus, and lacks the traditional wedge body shape. The body is mostly transparent with orange colouration in a pattern similar to Trigonostigma espei, and the fins are clear with exception of the caudal fin that may have triangular orange colouration. The peduncle mark is even thinner than that of Trigonostigma hengeli, and is a line shape that is slightly broader towards the anterior.

Pictures

References

  1. Åhlander, O. Trigonostigma. Retrieved September 17, 2008 from Bollmoraakvarieklubb.org
  2. Riehl, R. & Baensch., H. (1996) Aquarium Atlas(Vol. 3)(pp. 260) Blacksburg, VA: Tetra Press. IBSN 1-56465-185-1 (USA), IBSN 3-88244-053-8 (International)

External links

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