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Cyprinidae
creek chub
Semotilus atromaculatus
Black lateral line on brown body
Semotilus atromaculatus, the creek chub or the common creek chub, is a species of freshwater ray-finned fish belonging to the family Leuciscidae. This species is found in the eastern US and Canada. Differing in size and color depending on origin of development, the creek chub can usually be defined by a dark brown body with a black lateral line spanning horizontally across the body.
- Class
- Teleosts
- Family
- Cyprinidae
- Genus
- Semotilus
- Maximum length
- 30.3 cm
- Water
- Freshwater
- Distribution
- North America: most of east USA and southeast Canada in Atlantic, Great Lakes, Hudson Bay, Mississippi, and Gulf basins as far west as Saskatchewan, Wyoming, and Brazos River in Texas, but absent from Florida and south Georgia; isolated population in the upper Pecos and Canadian River systems, New Mexico. Introduced elsewhere in USA.
- Conservation status
- LCLeast Concern

