HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsWeed shiner Weed shiner (Notropis texanus) Scientific name: Notropis texanus Girard, 1856 The Weed shiner (Notropis texanus) is a freshwater fish of the family Cyprinidae. BiologyInhabits sandy runs and pools of creeks and small to medium rivers. Occurs usually in clear water. Often found near vegetation in the north part of range. Feeds on filamentous algae and detritus, in addition to the expected small invertebrates.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameNotropis texanusFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length8.6Common length4.4EnvironmentFreshwater; benthopelagicClimateTemperateDistributionNorth America: lowlands in Great Lakes, Hudson Bay (Red River) and Mississippi River basins from Michigan, Wisconsin and Minnesota in the USA south to Gulf; Gulf Slope drainages from Suwannee River in Georgia and Florida in the USA to Nueces River in Texas, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (tmax=3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026