
Coldwater Darter
NameColdwater Darter
Scientific NameEtheostoma caeruleum
Common NamesRainbow Darter, Coldwater Darter, Blue-breasted Darter
FamilyPercidae
OriginNorth America, Eastern United States, Central United States
Temperamentpeaceful
Dietcarnivore
Care Levelintermediate
Minimum Tank Size (Gallons)20
Max Size (Inches)3
Water TypeFreshwater
Temperature Range (°F)60-72
pH Range6.5-7.5
Compatible SpeciesWhite Cloud Mountain Minnow, Rosy Red Minnow, Other small, peaceful darter species (with adequate space), Temperate minnows
Description
The Coldwater Darter, commonly known as the Rainbow Darter, is a small, vibrantly colored North American freshwater fish. Males display striking red, blue, and orange patterns, especially during breeding season. They are bottom-dwelling fish that thrive in cool, clear, oxygen-rich water with rocky or gravel substrates.





