HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsGulf grouper Gulf grouper (Mycteroperca jordani) Scientific name: Mycteroperca jordani Jenkins & Evermann, 1889 The Gulf grouper (Mycteroperca jordani) is a marine fish of the family Serranidae. Native range: Eastern Central Pacific, southern La Jolla, California, USA to Mazatlan, Mexico. BiologyDorsal spines (total): 11; Dorsal soft rays (total): 16-17; Anal spines: 3; Anal soft rays: 10 - 11Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMycteroperca jordaniFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length198Depth range5–30 m (16–98 ft)EnvironmentMarine; reef-associated; depth range 5 - 30 mClimateSubtropicalDistributionEastern Central Pacific: southern La Jolla, California, USA to Mazatlan, Mexico.Conservation status (IUCN)Endangered (EN) (A2d+3d), IUCN Grouper and Wrasse Specialist GroupThreat to humansHarmlessUsesFisheries: minor commercial; gamefish: yesResilienceVery Low, minimum population doubling time more than 14 years (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