A young rainbow trout (Salmo irideus) with a "horn" (the achene of Bidens cernua) on its head. American Museum novitates ; no. 465

Gudger, E. W. (Eugene Willis), 1866-1956.2005-10-062005-10-061931http://hdl.handle.net/2246/38375 p. : ill. ; 24 cm.528606 bytesapplication/pdfen-USQL1 .A436 no.465, 1931Rainbow trout -- Abnormalities.Head.Bidens cernua.Rainbow trout -- Parasites.Hatchery fishes -- Abnormalities -- North Carolina.Fishes -- Abnormalities -- North Carolina.Hatchery fishes -- Parasites.Fishes -- Parasites -- North Carolina.Fishes -- Abnormalities.Fishes -- Parasites.A young rainbow trout (Salmo irideus) with a "horn" (the achene of Bidens cernua) on its head. American Museum novitates ; no. 465Young rainbow trout with "horn" on headtext