Teleostei (teleosts) >
Siluriformes (Catfishes) >
Auchenipteridae (Driftwood catfishes) > Auchenipterinae
Etymology: Tocantinsia: Taken from Brasilian river Tocantins (Ref. 45335).
Eponymy: Antenor Pires was a taxidermist and an assistant at the Rondon Commission. He was a member of the Paranatinga River expedition (1914–1915) during which the holotype was collected. He was a friend of the author, Miranda Ribeiro. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
South America: Upper Tocantins River basin in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 51.5 cm TL male/unsexed; (Ref. 111518); max. published weight: 2.0 kg (Ref. 111518)
Largest specimen collected is 38.5 cm SL (Mark Sabaj Perez, pers. comm.; http://www.scotcat.com/auchenipteridae/tocantinsia_piresi.htm).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ferraris, C.J. Jr., 2003. Auchenipteridae (Driftwood catfishes). p. 470-482. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 37098)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Tools
Special reports
Download XML
Internet sources