12222 Brachyhypopomus brevirostris (Steindachner, 1868) Hypopomidae Bluntnose knifefishes Gymnotiformes Teleostei Bluntnose knifefish South America: Orinoco River and Rio de la Plata, Amazon in Peru. FISH 601251 3 N 51 W Brachyhypopomus brevirostris FISH 606932 4 N 52 W Brachyhypopomus brevirostris AMNH 11377 1924 Hypopomus brevirostris AMNH 14365 1937 Hypopomus brevirostris AMNH 54831 1979 Hypopomus brevirostris AMNH 54971 1979 Hypopomus brevirostris AMNH 99977 1989 Hypopomus brevirostris AMNH 97895 1992 Hypopomus brevirostris GCRL 29748 1999 Brachyhypopomus brevirostris