Diagnostic Description
provided by Fishbase
Differs from all other members of the genus by possessing four pelvic-fin rays. Similar to Trichomycterus reinhardti by having a unique color pattern consisting of a broad dark brown stripe on the flank, dorsally bordered by a bright yellow zone without dark marks; but differs from Trichomycterus reinhardti by having a more slender body (body depth 12.6-15.1% SL) and a shorter preorbital length (25.7-39.3% HL) (Ref. 57604).
Morphology
provided by Fishbase
Dorsal soft rays (total): 10 - 12; Analsoft rays: 9; Vertebrae: 36 - 38
