What is "hornyhead chub"

n. (taxlink Nocomis biguttatus species noshow=1), a small minnow of the northern central United States and Canada.

The hornyhead chub, Nocomis biguttatus, is a small species of minnow in the Cypriniformes Order ( Cyprinidae family). It mainly inhabits small rivers and streams of the northern central USA, up into Canada. The adults inhabit faster, rocky pools of rivers.