HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsBlue shiner Blue shiner (Cyprinella caerulea) Scientific name: Cyprinella caerulea Jordan, 1877 The Blue shiner (Cyprinella caerulea) is a freshwater fish of the family Cyprinidae. Native range: North America, Coosa and Cahaba River systems from southeast Tennessee, northwest Georgia to Alabama, USA. Possibly extirpated from Cahaba River system. BiologyFound in rocky runs of small to medium rivers. Adults feed on terrestrial insects and sometimes supplemented with mayfly and caddisfly immatures.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCyprinella caeruleaFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length10.0Common length6.0EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: Coosa and Cahaba River systems from southeast Tennessee, northwest Georgia to Alabama, USA. Possibly extirpated from Cahaba River system.Conservation status (IUCN)Vulnerable (VU) (B1+2ac)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (tm SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026