1) Fish genus 2) Genus percina 
Percina is a genus of small bony fishes of the family Percidae from North America. Like similar Etheostomatinae, they are called `darters`. More specifically, the genus as a whole is known as roughbelly darters, while certain species of Percina with a pattern of vertical bars on the flanks are called logperches. The genus contains 47 species: ...
[n] - a genus of Percidae
genus Percina noun a genus of Percidae