Tridensimilis

{{Short description|Genus of fishes}}

{{Automatic taxobox

| taxon = Tridensimilis

| authority = Schultz, 1944

| type_species = Tridensimilis venezuelae

| type_species_authority = Schultz, 1944

| subdivision_ranks =

| subdivision =

}}

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

Species

There are currently two recognized species in this genus:{{FishBase genus | genus = Tridensimilis| month = February | year = 2012}}

Tridensimilis brevis is distributed in the Amazon River basin in Brazil, while T. venezuelae is distributed in the Orinoco basin in Venezuela.{{cite journal|url=http://silurus.acnatsci.org/ACSI/library/biblios/2007_Ferraris_Catfish_Checklist.pdf|title=Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types|first=Carl J. Jr.|last=Ferraris|journal=Zootaxa|volume=1418|pages=1–628|year=2007|doi=10.11646/zootaxa.1418.1.1 }} Both species grow to about 2.5–3.0 centimetres (.98–1.2 in) TL.{{FishBase|genus=Trindensimilis|species=brevis|year=2007|month=July}}{{FishBase|genus=Trindensimilis|species=venezuelae|year=2007|month=July}} 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.

References