Percidae

Gulf darter

Etheostoma swaini

Vertical red orange blue green bars

• Tropical
• Northern Hemisphere
• Regional distribution
• Freshwater fish
• North America
• West Asia
• Small
• Tropical fish

The gulf darter (Etheostoma swaini) 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 is found in Louisiana, Mississippi, Alabama, Florida, Tennessee, and Kentucky. It is a colorful fish, males having vertical barring of red-orange and blue-green near the tail, growing to a length of about 7.8 centimeters (3.1 in).