What is "fallfish"

Fallfish \Fall"fish`\, n. (Zo["o]l.) A fresh-water fish of the United States ( Semotilus bullaris); -- called also silver chub, and Shiner. The name is also applied to other allied species.

n. A small silvery freshwater fish ((taxlink Semotilus corporalis species noshow=1)) found in North America.

The fallfish (Semotilus corporalis) is a North American freshwater fish, a chub in the family Cyprinidae.