Percina crassa
| Family | Scientific Name | Author | Year | Common Name |
| Percidae | Percina crassa | (Jordan and Brayton) | 1878 | Piedmont Darter |
Unique Characteristics: Belly and interpelvic area with 1 or more highly modified (enlarged, often strong-spined) modified scales. Gill membranes narrowly joined, 40-50°. Snout blunt. Spinous dorsal fin rays 12 (11-13). Lateral line scales 47-52 (43-54). Lateral blotches 8 (7-9), oval, partially confluent blotches. Chin bar black, often mottled in Piedmont forms. Breeding males with dusky olive-green sides and tan venter. Spinous dorsal fin with narrow yellow band, bordered above with wide black band. Restricted to Broad, Catawba, Yadkin, Cape Fear, and Lumber basins.
Similar Species: None
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