HomeFish encyclopediaRay-finned fishesCarpsMinnows or carpsSacramento blackfish Sacramento blackfish (Orthodon microlepidotus) Scientific name: Orthodon microlepidotus Ayres, 1854 The Sacramento blackfish (Orthodon microlepidotus) is a freshwater fish of the family Cyprinidae. Native range: North America, Sacramento-San Joaquin, Pajaro and Salinas River drainages; Clear Lake in California, USA. BiologyOccurs in lakes, backwaters and sluggish pools of small to large rivers. Usually found in warm turbid water.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameOrthodon microlepidotusFamilyCyprinidae (Minnows or carps)OrderCypriniformes (Carps)ClassActinopterygii (Ray-finned fishes)Maximum length55.0Common length35.0EnvironmentFreshwater; brackish; benthopelagicClimateTemperateDistributionNorth America: Sacramento-San Joaquin, Pajaro and Salinas River drainages; Clear Lake in California, USA.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 years (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