Teleostei (teleosts) >
Characiformes (Characins) >
Cynodontidae (Dogtooth characins)
Etymology: Rhaphiodon: Greek, rhamphos = bill, peak + Greek, odous = teeth (Ref. 45335).
More on authors: Spix & Agassiz.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; pelagic. Tropical
South America: Amazon, Orinoco, and Paraná River basins (Paraná, Paraguay and Uruguay rivers) and rivers of Guyana.
Length at first maturity / Size / Weight / Age
Maturity: Lm 31.5  range ? - ? cm
Max length : 80.0 cm SL male/unsexed; (Ref. 81048); max. published weight: 2.1 kg (Ref. 40637)
Short description
Identification keys | Morphology | Morphometrics
Apparently carnivorous, probably ichthyophagous. Maximum length reported to reach 64 cm SL (Ref. 26147).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Toledo-Piza, M., 2003. Cynodontidae (Cynodotids). p. 234-237. 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. 38270)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: minor commercial; gamefish: yes; aquarium: public aquariums
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