Trigonopoma
| Trigonopoma | ||||||||||||
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Red striped barb ( Trigonopoma pauciperforatum ) |
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Trigonopoma | ||||||||||||
| Liao , Kullander & Fang , 2010 |
Trigonopoma is a genus of small freshwater fish found in Thailand , Cambodia , the Malay Peninsula, and Indonesia .
features
Trigonopoma species have an elongated, laterally flattened body that reaches a maximum length of 5.5 to 7 cm. The head is pointed, the fins long and sometimes longer than the body is high. The caudal fin is forked. Trigonopoma species have a colored band along the sides of the body. The sideline is incomplete or completely absent.
Trigonopoma differs from Rasbora by the triangular gill cover reduced in the upper half .
Systematics
The two species of the genus originally belonged to the collective genus Rasbora . In 2010 Liao, Kullander & Fang established the genus Trigonopoma , which is the sister genus to Boraras .
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The systematic position of the genus Trigonostigma within the Bärblingstribus Rasborini shows the cladogram :
species
- Red striped barb ( Trigonopoma gracile ( Kottelat , 1991) )
- Trigonopoma pauciperforatum ( Weber & de Beaufort , 1916) ( type species )
Way of life
Both species live in clear black water rivers and streams and in peaty swamps.
literature
- Liao, TY, SO Kullander & F. Fang (2010): Phylogenetic analysis of the genus Rasbora (Teleostei: Cyprinidae). - Zoologica Scripta doi : 10.1111 / j.1463-6409.2009.00409.x
Individual evidence
- ↑ a b Liao, TY, SO Kullander & F. Fang (2010).
- ↑ Tang, KL et al. (2010): Systematics of the subfamily Danioninae (Teleostei: Cypriniformes: Cyprinidae). Molecular Phylogenetics and Evolution 57: 189-214.
Web links
- Trigonopoma on Fishbase.org (English)