species 3,272 observations
Greenside Darter
Etheostoma blennioides
Field notes
The greenside darter (Etheostoma blennioides) is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It inhabits swift riffles in the eastern United States and southern Ontario.
Read more on WikipediaRange
Greener is more native, amber more introduced; paler is less certain. How this was decided