The trispot darter is a small bodied, benthic fish ranging in size from 1.3 1.6 inches as adults. The darter has three prominent black dorsal saddles, pale undersurface, and a dark bar below the eye. Scattered dark blotches exist on the fins rays. During the breeding season, males are a reddish-orange color and have green marks along their sides and a red band through their spiny dorsal fin.
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