HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsKelp bass Kelp bass (Paralabrax clathratus) Scientific name: Paralabrax clathratus Girard, 1854 The Kelp bass (Paralabrax clathratus) is a marine fish of the family Serranidae. Native range: Eastern Pacific, Columbia River in Washington, USA to southern Baja California, Mexico. BiologyUsually found in or near kelp beds, shallow water and to about 50 m but mostly from 2.4-21m. Found throughout water column. Large specimens usually occur in deeper water. Juveniles feed on benthic invertebrates (especially crustaceans); adults feed on fishes and cephalopods. Both juveniles and adults may feed on plankton when abundant. Pelagic spawners. Also caught with troll lines. Excellent food fish and an important game fish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameParalabrax clathratusFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length72.0EnvironmentMarine; benthopelagicClimateSubtropicalDistributionEastern Pacific: Columbia River in Washington, USA to southern Baja California, Mexico.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercial; gamefish: yesResilienceLow, minimum population doubling time 4.5 - 14 years (K=0.10; tm=2.5; tmax=34) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026