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Trichomycterus pauciradiatus Alencar & Costa, 2006 |
| Family: | Trichomycteridae (Pencil or parasitic catfishes), subfamily: Trichomycterinae | |||
| Max. size: | 5.202 cm SL (male/unsexed) | |||
| Environment: | demersal; freshwater | |||
| Distribution: | South America: Debaixo da Serra, upper Paraná River basin in Brazil. | |||
| Diagnosis: | Dorsal soft rays (total): 10-12; Anal soft rays: 9-9; 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) (Ref. 57604). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 07 November 2018 Ref. (130435) | |||
| Threat to humans: | harmless | |||