Tridensimilis

Tridensimilis is a genus of pencil catfishes native to South America.

Tridensimilis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Trichomycteridae
Subfamily: Tridentinae
Genus: Tridensimilis
Schultz, 1944
Type species
Tridensimilis venezuelae
Schultz, 1944

Species

There are currently two recognized species in this genus:[1]

Tridensimilis brevis is distributed in the Amazon River basin in Brazil, while T. venezuelae is distributed in the Orinoco basin in Venezuela.[2] Both species grow to about 2.5–3.0 centimetres (.98–1.2 in) TL.[3][4] T. brevis lives in the sand of shallow rivers and creeks. It is parasitic, entering the gill chambers of larger catfishes. It is also known for entering, probably by mistake, the urethra of mammals urinating under water.[3]

References
  1. Froese, Rainer and Pauly, Daniel, eds. (2012). Species of Tridensimilis in FishBase. February 2012 version.
  2. Ferraris, Carl J. Jr. (2007). "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types" (PDF). Zootaxa. 1418: 1–628.
  3. Froese, Rainer and Pauly, Daniel, eds. (2007). "Trindensimilis brevis" in FishBase. July 2007 version.
  4. Froese, Rainer and Pauly, Daniel, eds. (2007). "Trindensimilis venezuelae" in FishBase. July 2007 version.


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