| Family | Scientific Name | Author | Year | Common Name |
| Catostomidae | Thoburnia hamiltoni | Raney and Lachner | 1946 | Rustyside Sucker |
Thoburnia hamiltoni
Unique Characters: Head slightly or moderately convex between eyes. Restricted to upper Dan River in Stokes County, Roanoke basin.
Similar Species:
Northern Hog Sucker
Hypentelium nigricans
Roanoke Hog Sucker
Hypentelium roanokense
Northern Hog Sucker Hypentelium nigricans. Head flat or slightly to moderately concave between eyes. Lips papillose. Boxlike head with vacuum-like mouth, slender posterior body, and prominent saddles. Lateral line scales 45-48. Body form elongate. Dark and light horizontal stripes usually absent or faint. Adult size 125 mm standard length or much larger.
Roanoke Hog Sucker Hypentelium roanokense. Head flat or slightly to moderately concave between eyes. Lips papillose on outer surfaces, subplicate or plicate on inner surfaces. Lateral line scales 40-43. Body form foreshortened. Dark and light horizontal stripes moderately developed. Diminutive; adult size less than 120 mm standard length.
Gallery
