HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsWhite-blotched grouper White-blotched grouper (Epinephelus multinotatus) Scientific name: Epinephelus multinotatus Peters, 1876 The White-blotched grouper (Epinephelus multinotatus) is a marine fish of the family Serranidae. Native range: Indian Ocean, Persian Gulf to southern Mozambique and eastward to Western Australia. Not known from the Red Sea. BiologyInhabit clear to turbid water in shallow as well as deep water. Juveniles are found in inshore coral reefs. They feed in water to more than 100 m depth. It has been suggested that juveniles mimic the herbivorous damselfish Neopomacentrus sindensis, presumably to get closer to their unsuspecting prey. Feed on small fishes and crabs. Probably spawn during restricted periods and form aggregations when doing so. Eggs and early larvae are probably pelagic.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEpinephelus multinotatusFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length100.0Common length75.0Depth range1–100 m (3–328 ft)EnvironmentMarine; reef-associated; depth range 1 - 100 mClimateTropicalDistributionIndian Ocean: Persian Gulf to southern Mozambique and eastward to Western Australia. Not known from the Red Sea.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.27) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026