Trichomycterus areolatus - Trichomycterus areolatus is a species of fish in the Trichomycteridae family.
Trichomycterus chiltoni - Trichomycterus chiltoni is a species of fish in the Trichomycteridae family.
Trichomycterus guaraquessaba - This is an elongate catfish up to around 90 mm standard length.
Trichomycterus iheringi - This is an elongate catfish up to around 140 mm standard length.
Trichomycterus laucaensis - Trichomycterus laucaensis is a species of fish in the Trichomycteridae family.
Trichomycterus rivulatus - Trichomycterus rivulatus is a species of fish in the Trichomycteridae family.
Trichomycterus trefauti - This is a small, cylindrical catfish which can most readily be distinguished from its congeners by its uniformly grey colouring, marked only by a distinctive elliptical dark spot at the base of the caudal fin.