|Family||Scientific Name||Author||Year||Common Name|
|Catostomidae||Hypentelium roanokense||Raney and Lachner||1947||Roanoke Hog Sucker|
Unique Characters: 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. Restricted to Roanoke basin with an introduced population in the upper Ararat River watershed in Surry County.
Northern Hog Sucker
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.
Rustyside Sucker Thoburnia hamiltoni. Head slightly or moderately convex between eyes. Restricted to upper Dan River in Stokes County, Roanoke basin.