HomeFish encyclopediaRay-finned fishesPerch-like fishDrums or croakersCalifornia kingcroaker California kingcroaker (Menticirrhus undulatus) Scientific name: Menticirrhus undulatus Girard, 1854 The California kingcroaker (Menticirrhus undulatus) is a marine fish of the family Sciaenidae. Native range: Eastern Pacific, California, USA to Peru. BiologyOccur along sandy shores and in bays, usually in sandy surfs of exposed outer coast. Usually found in small groups; larger fish are more solitary. Feed on sand crabs, other small crustaceans, and worms. Spawning begins in July. Pelagic spawners. Cannot produce croaking sounds due to lack of air bladder. Considered a good food fish and is common in markets.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMenticirrhus undulatusFamilySciaenidae (Drums or croakers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length71.0Depth range14 m (46 ft)EnvironmentMarine; demersal; depth range ? - 14 mClimateSubtropicalDistributionEastern Pacific: California, USA to Peru.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesFisheries: commercial; gamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm=2.5; tmax=8) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026