The Trichomycterus diabolus lives in the demersal, freshwater, depth range - 0 m environment.
Trichomycterus diabolus also has a broad metapterygoid but seems to be closely related to T. castroi, with which it shares a distinctive unpigmented area on the basal region of the caudal fin. Trichomycterus nigroauratus and T. More
Trichomycterus diabolus, new species, is described from streams of Morro do Diabo State Park, Rio Paranapanema basin, southeastern Brazil. More