HomeFish encyclopediaRay-finned fishesPerch-like fishGruntsXantic sargo Xantic sargo (Anisotremus davidsonii) Scientific name: Anisotremus davidsonii Steindachner, 1876 The Xantic sargo (Anisotremus davidsonii) is a marine fish of the family Haemulidae. Native range: Eastern Central Pacific, Santa Cruz in central California, USA to southern Baja California, Mexico; isolated population in the Gulf of California. BiologyOccur in coastal waters, frequently in rocky reefs and occasionally over sandy bottoms; often near kelp beds. Juveniles form schools in littoral pools. Feed on crustaceans, mollusks and bryozoans. Pelagic spawner. Marketed fresh.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAnisotremus davidsoniiFamilyHaemulidae (Grunts)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length58.0Depth range40 m (131 ft)EnvironmentMarine; demersal; depth range ? - 40 m, usually ? - 8 mClimateSubtropicalDistributionEastern Central Pacific: Santa Cruz in central California, USA to southern Baja California, Mexico; isolated population in the Gulf of California.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercial; gamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (tm=2; tmax=15) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026