Bigmouth Buffalo


Other Common Names:

Lake buffalo, slough buffalo, blue buffalo, common buffalo, gourd head, redmouth buffalo, roundhead, bullnosed buffalo, mud buffalo, chubnosed buffalo, brown buffalo, pugnose buffalo

Scientific Name:

Ictiobus cyprinellus



Feeds on insects, some plant material



Tolerates muddy water and silty bottoms of large rivers and overflow ponds



15.5 inches



Bluish-green back shading to coppery-blue sides and light bluish-grey belly; deeply rounded body with a large head and mouth; dorsal fin sickle-shaped.


Photo and text courtesy of

Iowa Department of Natural Resources

Iowa Fish and Fishing by James R. Harlan and Everett B. Speaker with James Mayhew; color illustrations by Maynard F. Reece

Fishes of Wisconsin by George C. Becker


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