Ouachita Darter
NameOuachita Darter
Scientific NameEtheostoma radiosum
Common NamesOuachita Darter
FamilyPercidae
OriginNorth America, United States, Ouachita River System, Arkansas, Oklahoma
Temperamentpeaceful
Dietcarnivore
Care Levelintermediate
Minimum Tank Size (Gallons)20
Max Size (Inches)3
Water TypeFreshwater
Temperature Range (°F)65-75
pH Range7.0-8.0
Compatible SpeciesOther small peaceful darters, Small temperate minnows, Sculpins, Dace
Description
The Ouachita Darter is a small, bottom-dwelling freshwater fish native to the Ouachita River system in Arkansas and Oklahoma. It features distinctive vertical barring and males display vibrant colors, particularly on their dorsal fins, during breeding. This species thrives in clear, oxygenated water with rocky or gravel substrates and moderate current.
