8697 Rhaphiodon vulpinus Spix & Agassiz, 1829 Cynodontidae Dogtooth characins Characiformes Teleostei Biara South America: Amazon, Orinoco, and Paraná River basins (Paraná, Paraguay and Uruguay rivers) and rivers of Guyana. AMNH 12251 Rhaphiodon vulpinus AMNH 3937 Rhaphiodon vulpinus AMNH 77450 1965 Rhaphiodon vulpinus AMNH 77507 1965 Rhaphiodon vulpinus AMNH 42318 1978 Rhaphiodon vulpinus AMNH 217666 1979 Rhaphiodontichthys vulpinus AMNH 47956 1979 Rhaphiodontichthys vulpinus FISH 386807 13 S 50 W 1994 Rhapiodon vulpinus 2 - 5 m