The Collaborative International Dictionary
silver chub
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.
Wikipedia
Silver chub
The silver chub, Macrhybopsis storeriana, is a species of freshwater fish of the family Cyprinidae found in North America.