Trichomycterus guaraquessaba is a species of pencil catfish presently only known from Rio Bracinho, a small isolated river in Paraná state, Brazil.
| Trichomycterus guaraquessaba | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Trichomycteridae |
| Genus: | Trichomycterus |
| Species: | T. guaraquessaba
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| Binomial name | |
| Trichomycterus guaraquessaba Wosiacki, 2005
| |
This is an elongate catfish up to 91.5 centimetres (36.0 in) standard length. It has no unique morphological features and can be distinguished from its congeners by a combination of characters including a uniformly grey colouring with only small dark spots on the flank, pelvic fin not covering the urogenital opening and square-ended caudal fin.
References
edit- Wosiacki, W. B. (2005). "A new species of Trichomycterus (Siluriformes: Trichomycteridae) from south Brazil and redescription of T. iheringi (Eigenmann)" (PDF). Zootaxa. 1040: 49–64. doi:10.11646/zootaxa.1040.1.5.
- Froese, Rainer; Pauly, Daniel (eds.). "Trichomycterus guaraquessaba". FishBase. February 2012 version.