redfin

noun

1. A small North American dace (<i>Minnilus cornutus</i>, or <i>Notropis megalops</i>). The male, in the breeding season, has bright red fins. Called also <i>red dace</i>, and <i>shiner</i>. Applied also to <i>Notropis ardens</i>, of the Mississippi valley.

   noun

   Source: webster1913