Tridensimilis
Tridensimilis is a monotypic genus of freshwater ray-finned fishes belonging to the family Trichomycteridae, the pencil and parasitic catfishes, and the subfamily Tridentinae, the pygmy pencil catfishes. The only species in this genus is Tridensimilis venezuelae.
T. venezuelae is distributed in the Orinoco basin in Venezuela. It grows to about TL.