HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsNetfin grouper Netfin grouper (Epinephelus miliaris) Scientific name: Epinephelus miliaris Valenciennes, 1830 The Netfin grouper (Epinephelus miliaris) is a marine fish of the family Serranidae. BiologyDorsal spines (total): 11; Dorsal soft rays (total): 16-17; Anal spines: 3; Anal soft rays: 8. Have a large spots on the soft-rayed portions of the fins and a fine pattern of small close-set spots on the body and spinous portions of the fins.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEpinephelus miliarisFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length43.0Depth range1–200 m (3–656 ft)EnvironmentMarine; reef-associated; depth range 1 - 200 mClimateTropicalDistributionIndo-West Pacific: insular species ranging from East Africa (excluding the Red Sea and Persian Gulf) to the Gilbert Islands and Samoa, north to the Ryukyu Islands.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercialResilienceMedium, 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