HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsRockfishes, rockcods and thornyheadsFlag rockfish Flag rockfish (Sebastes rubrivinctus) Scientific name: Sebastes rubrivinctus Jordan & Gilbert, 1880 The Flag rockfish (Sebastes rubrivinctus) is a marine fish of the family Sebastidae. Native range: Eastern Pacific, San Francisco, California, USA to Cape San Quintin, Baja California, Mexico. BiologyInhabit rocky areas. Reported to reach 64 cm, but specimens over 51 cm may have been the redbanded rockfish, Sebastes babcocki. Viviparous.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSebastes rubrivinctusFamilySebastidae (Rockfishes, rockcods and thornyheads)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length51.0Depth range0–302 m (0–991 ft)EnvironmentMarine; demersal; depth range 0 - 302 mClimateSubtropicalDistributionEastern Pacific: San Francisco, California, USA to Cape San Quintin, Baja California, Mexico.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 years (tmax=18) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026