About Etheostoma radiosum (Hubbs & Black, 1941)
Scientific Classification
The orangebelly darter, scientifically named Etheostoma radiosum (Hubbs & Black, 1941), is a species of freshwater ray-finned fish. It is a darter belonging to the subfamily Etheostomatinae, which is part of the family Percidae — a group that also includes perches, ruffes, and pikeperches.
Distribution
This species is endemic to the eastern United States, where it is found only in the Ouachita and Red River drainages, located in southwestern Arkansas and southeastern Oklahoma.
Habitat
It inhabits gravel and rubble riffles and runs in creeks, and in small to medium-sized rivers.
Maximum Size
The maximum total length this species can reach is 8.5 cm (3.3 in).
