The Olive Darter is found in the upper Tennessee River and middle Cumberland River drainages in Tennessee, North Carolina, Georgia, and Kentucky. They live over large rock and boulder substrate in deep, fast runs of small to medium rivers. As the common name suggests, Olive Darters have an olive-brown coloration on their upper side and back, as well as a sharp, pointed snout. While most darters are found on stream bottoms, members of the genus Percina tend to be found higher in the water column because they retain a swim bladder.
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