HomeFish encyclopediaRay-finned fishesPerch-like fishGoatfishesBigscale goatfish Bigscale goatfish (Pseudupeneus grandisquamis) Scientific name: Pseudupeneus grandisquamis Gill, 1863 The Bigscale goatfish (Pseudupeneus grandisquamis) is a marine fish of the family Mullidae. BiologyInhabits sandy and muddy bottoms near the coast and in deep waters as well.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePseudupeneus grandisquamisFamilyMullidae (Goatfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length30.0EnvironmentMarine; demersalClimateSubtropicalDistributionEastern Pacific: Baja California, Mexico to Chile; one specimen was caught at the artificially warm outfall at the San Onofre (southern California, USA) nuclear power plant.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