Trichomycterus argos

Trichomycterus argos is a species of pencil catfish endemic to Brazil, where it occurs in the Doce River Basin, situated in the Serra do Brigadeiro range, Minas Gerais. This species reaches a maximum length of 11.7 cm SL.

Habitat and ecology
T. argos occurs in streams with depths varying between 13 and 44 cm and water temperatures varying between 14 and 19 C. Under laboratory conditions, it has been observed preying on tadpoles of the Scinax catharinae species group.