HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsLongtooth grouper Longtooth grouper (Epinephelus bruneus) Scientific name: Epinephelus bruneus Bloch, 1793 The Longtooth grouper (Epinephelus bruneus) is a marine fish of the family Serranidae. Native range: Northwest Pacific, Korea, Japan (north to Hegura-jima Island), China (south to Hong Kong and Hainan Island), and Taiwan. BiologyInhabits rocky reefs; also found on muddy grounds. Juveniles occur in shallow waters. Commercially cultured in Japan.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEpinephelus bruneusFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length128Common length60.0Depth range20–200 m (66–656 ft)EnvironmentMarine; reef-associated; depth range 20 - 200 mClimateTropicalDistributionNorthwest Pacific: Korea, Japan (north to Hegura-jima Island), China (south to Hong Kong and Hainan Island), and Taiwan.Conservation status (IUCN)Vulnerable (VU) (A4d), IUCN Grouper and Wrasse Specialist GroupThreat to humansHarmlessUsesFisheries: commercial; aquaculture: 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