HomeFish encyclopediaRay-finned fishesPerch-like fishGoatfishesMexican goatfish Mexican goatfish (Mulloidichthys dentatus) Scientific name: Mulloidichthys dentatus Gill, 1862 The Mexican goatfish (Mulloidichthys dentatus) is a marine fish of the family Mullidae. Native range: Eastern Pacific, southern California, USA to Peru, including the Galapagos Islands; rare north of southern Baja California, Mexico. BiologyInhabits sand, mud and rock bottoms of shallow waters near the coast. Often occurs in small schools but may also be solitary. Feeds by digging in the sand with its barbels. Rests on the bottom at night, dramatically changing both color and daytime pattern to reddish blotches. Young are pelagic.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMulloidichthys dentatusFamilyMullidae (Goatfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length31.0Depth range3–46 m (10–151 ft)EnvironmentMarine; reef-associated; depth range 3 - 46 mClimateSubtropicalDistributionEastern Pacific: southern California, USA to Peru, including the Galapagos Islands; rare north of southern Baja California, Mexico.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceHigh, minimum population doubling time less than 15 months (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