Fish Identification Guide

Bigmouth Buffalo
Ictiobus cyprinellus
Illustrations by Joe Tomelleri
Description: Thick-bodied fish with a large, thin-lipped, oblique mouth that opens nearly straight forward. No barbels or heavy spines. Young primarily feed on plankton and bottom-dwelling invertebrates while older fish primarily consume small crawfish, snails, clams, and immature aquatic insects, and strain the water for zooplankton. Seldom caught by anglers.
Family: Sucker
Type: Non-Game Fish
Range: Larger rivers in eastern Nebraska, particularly Central and Lower Platte drainages and adjacent sandpits.

Source: Nebraska Game and Parks Commission website at