Acnodon normani
Acnodon normani, the sheep-pacu, is a species of serrasalmids found in South America. It is found in the Amazon, the Xingu and Tocantins River basins in Brazil. This species reaches a length of . Etymology
The fish is named in honor of ichthyologist J. R. (John Roxborough) Norman (1898-1944), of the British Museum of Natural History, to honor him for his attention to the serrasalmids. References

Géry, J., 1977. Characoids of the world. Neptune City ; Reigate : T.F.H. [etc. ]; 672 p. : ill. (chiefly col.) ; 23 cm. Serrasalmidae
Fish of Brazil
Taxa named by William Alonzo Gosline III
Fish described in 1951