HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsSmalleye shiner Smalleye shiner (Notropis buccula) Scientific name: Notropis buccula Cross, 1953 The Smalleye shiner (Notropis buccula) is a freshwater fish of the family Cyprinidae. Native range: North America, found in the Brazos River drainage, Texas, USA. Apparently introduced to adjacent Colorado River drainage, Texas. BiologyInhabits sandy, turbid channels of small to large rivers. Feeds on insects, primarily dipterans, terrestrial insects, detritus, and plant material.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNotropis bucculaFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length7.1Common length4.4EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: found in the Brazos River drainage, Texas, USA. Apparently introduced to adjacent Colorado River drainage, Texas.Conservation status (IUCN)Vulnerable (VU) (D2)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026