HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsMystery grouper Mystery grouper (Epinephelus lebretonianus) Scientific name: Epinephelus lebretonianus Hombron & Jacquinot, 1853 The Mystery grouper (Epinephelus lebretonianus) is a marine fish of the family Serranidae. Native range: Probably Indo-Pacific, unknown locality of the type specimen. BiologyDorsal spines (total): 11; Dorsal soft rays (total): 17; Anal spines: 3; Anal soft rays: 8Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEpinephelus lebretonianusFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length24.8EnvironmentMarine; benthopelagicClimateTropicalDistributionProbably Indo-Pacific: unknown locality of the type specimen.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesFisheries: of no interestResilienceMedium, minimum population doubling time 1.4 - 4.4 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