Bluegrass Darter
NameBluegrass Darter
Scientific NameEtheostoma rafinesquei
Common NamesBluegrass Darter, Rafinesque's Darter
FamilyPercidae
OriginNorth America, United States, Kentucky, Green River system
Temperamentpeaceful
Dietcarnivore
Care Levelintermediate
Minimum Tank Size (Gallons)20
Max Size (Inches)2.5
Water TypeFreshwater
Temperature Range (°F)60-72
pH Range7.0-8.0
Compatible SpeciesOther small, peaceful darters (with caution), Small sculpins, Rosyface Shiner, Other cool-water minnows, Small suckers
Description
The Bluegrass Darter is a small, colorful freshwater fish endemic to the Green River system in Kentucky. Males display vibrant blue spots along their flanks and orange fins, especially during breeding. They are bottom-dwelling insectivores that prefer clear, cool, flowing water with rocky or gravel substrates.
