Photo Credit: Luke Etchison
| Family | Scientific Name | Author | Year | Common Name |
| Percidae | Percina squamata | (Gilbert and Swain) | 1887 | Olive Darter |
Percina squamata
Unique Characteristics: Belly and interpelvic area with 1 or more highly modified (enlarged, often strong-spined) modified scales. Gill membranes broadly joined, 80-90°. Snout pointed. Breast well scaled, at least laterally and posteriorly, scales small and embedded. Restricted to Tennessee River drainage basins, except for the Watauga basin.
Similar Species: None
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