Meaning of redfin darter in English:

redfin darter

noun

  • A darter, Etheostoma whipplei (family Percidae), the male of which has small bright red spots on the sides of the body, and blue edges and red bands on the dorsal, caudal, and anal fins; compare sense 2(c).

Origin

1950s; earliest use found in American Midland Naturalist.