HomeMarine aquarium fishBasslets, cardinalfish & hawkfishYellowfin grouper Yellowfin grouper (Mycteroperca venenosa) Scientific name: Mycteroperca venenosa Linnaeus, 1758 The Yellowfin grouper (Mycteroperca venenosa) is a marine fish of the family Serranidae. Native range: Western Atlantic, Bermuda, Gulf of Mexico and the Caribbean south to Sao Paulo, Brazil. BiologyAdults found on rocky and coral reefs, juveniles occur in shallow turtle grass beds. Also been taken in trawls over mud bottom in the northern Gulf of Mexico. Feeds mainly on fishes (mostly on coral reef species) and squids. Although often implicated in ciguatera poisonings, it is a desirable food fish; and even large (5 to 10 kg) fish from areas considered safe are sold in markets. Also caught with surface trolling. Sex-reversal has been observed.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMycteroperca venenosaFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length100.0Common length50.0Depth range2–137 m (7–449 ft)EnvironmentMarine; reef-associated; depth range 2 - 137 m, usually 5 - 35 mClimateSubtropicalDistributionWestern Atlantic: Bermuda, Gulf of Mexico and the Caribbean south to Sao Paulo, Brazil.Conservation status (IUCN)Near Threatened (NT), IUCN Grouper and Wrasse Specialist GroupThreat to humansReports of ciguatera poisoningUsesFisheries: highly commercial; gamefish: yes; aquarium: public aquariumsResilienceLow, minimum population doubling time 4.5 - 14 years (K=0.09-0.17; tmax=15; Fec=400,000) More basslets, cardinalfish & hawkfishBanggai cardinal fishPterapogon kauderniTiger grouperMycteroperca tigrisCreole-fishParanthias furciferRosy bassletLipogramma roseaRoyal bassletLipogramma regiaBicolor bassletLipogramma klayiSee all basslets, cardinalfish & hawkfish SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026