HomeMarine aquarium fishBasslets, cardinalfish & hawkfishBlue-and-yellow grouper Blue-and-yellow grouper (Epinephelus flavocaeruleus) Scientific name: Epinephelus flavocaeruleus Lacep?de, 1802 The Blue-and-yellow grouper (Epinephelus flavocaeruleus) is a marine fish of the family Serranidae. BiologyJuveniles inhabit shallow reefs while adults are found on deeper reefs. Feeds on a variety of fishes, crabs, shrimps, spiny lobsters, squids, and small octopi.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEpinephelus flavocaeruleusFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length90.0Common length45.0Depth range10–150 m (33–492 ft)EnvironmentMarine; reef-associated; depth range 10 - 150 mClimateTropicalDistributionIndian Ocean: Gulf of Aden south to Port Alfred, South Africa and east to the northwest tip of Sumatra, Indonesia. Also found in the islands of western Indian Ocean, including Cargados Carajos and Rodriguez. Not known from the Red Sea and Persian Gulf.Conservation status (IUCN)Least Concern (LC), IUCN Grouper and Wrasse Specialist GroupThreat to humansHarmlessUsesFisheries: commercial; aquarium: commercialResilienceLow, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.) More basslets, cardinalfish & hawkfishBanggai cardinal fishPterapogon kauderniBlacksaddle grouperEpinephelus howlandiWaite's splitfinLuzonichthys waiteiPeach fairy bassletPseudanthias disparLori's anthiasPseudanthias loriYellowlined anthiasPseudanthias luzonensisSee 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