Moxostoma sp. “Brassy” Jumprock

Family	Scientific Name	Author	Year	Common Name
Catostomidae	Moxostoma sp.			“Brassy” Jumprock

Moxostoma sp. “Brassy” Jumprock – undescribed species

Unique Characters: Body form stout. Circumpeduncle scales modally 16. Dorsal fin rays modally 12. Gill rakers 28-34. Dorsum of head strongly convex, well elevated above eyes. Lips subplicate; few or no deep transverse grooves. Dorsal and caudal fins not with black tips. Lateral body stripes below lateral line,  pale stripes wider than or equal in width to dark stripes. Lateral body stripes in adults lost. Lateral body blotches lost in medium juveniles and adults. Restricted to Broad, Catawba, Yadkin and Cape Fear basins (Hogue et al. 2026).

Similar Species:

Striped Jumprock, Moxostoma rupiscartes

Striped Jumprock, Moxostoma rupiscartes. Body form elongate. Circumpeduncle scales modally 16. Dorsal fin rays modally 11. Gill rakers 23-26. Dorsum of head flat or slightly convex, little or not at all elevated above eyes. Lips subplicate with usually numerous transverse grooves. Lateral body stripes below lateral line, pale stripes narrower than dark stripes. Lateral body stripes in adults usually retained. Lateral body blotches usually retained in juveniles. Restricted to Broad, Catawba, and Yadkin basins.

Carolina Redhorse, Moxostoma carolina

Carolina Redhorse, Moxostoma carolina. Circumpeduncle scales modally 12. Lower lip plicate. Lower lip V- or U-shaped. Supratemporal canal usually interrupted medially. Lateral-line scales modally 45 (range 43–47). Breast scales modally 100% (50-100%) embedded. Range restricted to middle Cape Fear River and lower Yadkin-Pee Dee basin (Hogue et al. 2026).

Golden Redhorse, Moxostoma erythrurum (in Roanoke basin only along Atlantic slope)

Golden Redhorse, Moxostoma erythrurum. Circumpeduncle scales modally 12. Lower lip plicate. Lower lip V- or U-shaped. Supratemporal canal not interrupted medially. Lateral-line scales modally 42 (range 39–45). Breast scales not embedded. Along the Atlantic slope range is restricted from Potomac basin in Maryland and Virginia south to Roanoke basin (Hogue et al. 2026).

Shorthead Redhorse, Moxostoma macrolepidotum

Shorthead Redhorse, Moxostoma macrolepidotum. Circumpeduncle scales modally 12. Lower lip subplicate with deep transverse grooves. Head small, short. Scale bases dark. Pelvic rays modally 9; dorsal fin rays modally 13. Dorsal fin margin usually moderately concave, occasionally straight, slightly concave, or slightly falcate. Restricted to major Atlantic slope River drainage basins (Hogue et al. 2026)

Robust Redhorse, Moxostoma robustum

Robust Redhorse, Moxostoma robustum. Circumpeduncle scales modally 12. Pharyngeal arch stout, lower teeth large, molariform. Lips plicate; large fleshy lower lip that is expansive and prolonged medially and not indented at the corners; not V- or U-shaped. Head medium or large. Scale bases dark. Upper body dominantly golden brown in life. Tail red. Breeding males with many nuptial tubercles on opercle. Currently restricted to Yadkin basin (Pee Dee River) downstream from Blewett Falls dam (Hogue et al. 2026).

Reference:

Hogue, G.M., B.H. Tracy, J.A. Raine, and L.C. Hughes. 2026. Carolina Redhorse – a new species of Moxostoma (Cypriniformes: Catostomidae) from North Carolina and South Carolina, USA. Zootaxa 5763 (4):501-528. https://doi.org/10.11646/zootaxa.5763.4.3.

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