Trichomycterus Pauciradiatus (Trichomycterus pauciradiatus), first described by Alencar & Costa, 2006 is a small fish in the family Trichomycteridae (order Siluriformes). Adults typically reach 5.20 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.
Dorsal soft rays (total): 10 - 12; Anal soft rays: 9; Vertebrae: 36 - 38. 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) .: elongated.
Behavioural data for Trichomycterus Pauciradiatus is currently being reviewed.
Freshwater; demersal. Tropical South America: Debaixo da Serra, upper Paraná River basin in Brazil.
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