Teleostei (teleosts) >
Siluriformes (Catfishes) >
Doradidae (Thorny catfishes) > Doradinae
Etymology: Pterodoras: Greek, pteron = wing, fin + Greek, doras = skin (Ref. 45335).
More on author: Valenciennes.
Issue
Specimens from Guyana and Suriname tentatively referred to P. granulosus. Species-level distinctiveness of Paraná and Amazonas Pterodoras not investigated.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal; pH range: 7.5 - ?; potamodromous (Ref. 51243). Subtropical; 20°C - 24°C (Ref. 2060)
South America: Amazon and Paraná River basins and coastal drainages in Guyana and Suriname.
Length at first maturity / Size / Weight / Age
Maturity: Lm 25.4, range 64 - ? cm
Max length : 68.0 cm SL male/unsexed; (Ref. 125983); 90.1 cm SL (female); max. published weight: 7.5 kg (Ref. 125983); max. published weight: 7.5 kg
Short description
Identification keys | Morphology | Morphometrics
Nocturnal predator. Occurs in small groups. Feeds mainly on the fruits of Astrocaryum javary (Ref. 9084).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Sabaj, M.H. and C.J. Ferraris Jr., 2003. Doradidae (Thorny catfishes). p. 456-469. 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. 37054)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: commercial; aquarium: public aquariums
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