HomeFish encyclopediaRay-finned fishesCatfishPencil or parasitic catfishesTrepador Trepador (Trichomycterus uisae) Scientific name: Trichomycterus uisae Castellanos-Morales, 2008 The Trepador (Trichomycterus uisae) is a freshwater fish of the family Trichomycteridae. In the aquarium it needs water at 20°C (68°F). Native range: South America, Colombia. Cueva El Misterio, upper Sogamoso River basin, Santander. Trepador care at a glanceTemperature20°C (68°F) BiologyVertebrae: 35. Has a characteristic dark bluish-gray band from the head to the origin of the dorsal fin, five to nine opercular odontodes, and the anterior and posterior fontanels separated but connected by a narrow channel. Body elongated, deeper than wide, gradually deeper from trunk toward caudal peduncle; dorsal profile of trunk convex. Ventral profile of trunk straight. Dorsal and ventral profiles of caudal peduncle slightly convex. Integument thick with lateral cutaneous folds forming vertical rings between pectoral and anal fins in specimens preserved in alcohol. Head wide, trapezoidal, depressed in dorsal view. Dorsal profile of head straight, ventral and lateral profiles convex. Eye small, black, rounded, well defined, with variable diameter, positioned dorsally on anterior half of head. Mouth subterminal, with corners oriented backwards. Lower lip with conspicuously fleshy lateral lobes. Teeth conical, curved, arranged in 3-4 irregular rows on upper jaw and three rows onSource: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTrichomycterus uisaeFamilyTrichomycteridae (Pencil or parasitic catfishes)OrderSiluriformes (Catfish)ClassActinopterygii (Ray-finned fishes)Maximum length7.3EnvironmentFreshwater; benthopelagicClimateTropicalDistributionSouth America: Colombia. Cueva El Misterio, upper Sogamoso River basin, Santander.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026