Percina shumardi

Description

Percina shumardi (river darter) is a benthic species of freshwater fish in the family Percidae (Perches and Darters) of order Perciformes. It is native to North America. It is an inhabitant of small and medium rivers where it occurs in rocky riffles with clear, fast-flowing water. The river darter can reach up to 7.3 cm in length and has an average lifespan of three years. It can be distinguished from other darters by its unique front and rear spots on the dorsal fin.