Trichomycterus argos Lezama, Triques & Santos 2012

Distinguished by the following characters: pectoral fins with six branched rays; pectoral-fin ray prolonged as a filament; presence of pelvic fins; tip of nasal barbels extending to posterior border of opercular plate of odontodes; presence of a large foramen for ramus lateralis accessorius facialis, visible in dorsal view, in the parietosupraoccipital bone; transverse and straight border between the parietosupraoccipital and frontal bones; body covered with spots that seldom attain eye diameter; pelvic-fin origin placed one or two ocular diameters anterior to dorsal-fin origin; absence of spots fused as elongated marks on dorsum or flank (Ref. 90333).Description: dorsal-fin rays i+7, ii+7 or ii+6; anal-fin rays i+5 or ii+5; pectoral-fin rays i+6; pelvic-fin rays i+4 (Ref. 90333).

Dorsal soft rays (total): 8 - 9; Analsoft rays: 6 - 7

Occurs in streams with depth and temperature varying from 13 to 44 cm and from 14 to 19°C. Preys on tadpoles of Scinax gr. catharinae under laboratory conditions (Ref. 90333).

Trichomycterus argos is a species of pencil catfish endemic to Brazil, where it occurs in the Rio Doce basin, situated in the Serra do Brigadeiro range, Minas Gerais. This species reaches a maximum length of 11.7 centimetres (4.6 in) SL.

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Trichomycterus argos Trichomycterus generoko animalia da. Arrainen barruko Trichomycteridae familian sailkatzen da.