HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsDot-dash grouper Dot-dash grouper (Epinephelus poecilonotus) Scientific name: Epinephelus poecilonotus Temminck & Schlegel, 1842 The Dot-dash grouper (Epinephelus poecilonotus) is a brackish-water fish of the family Serranidae. Native range: Indo-West Pacific, east coast of Africa to Japan, Korea, South China Sea, Viet Nam, and Fiji. Unknown from the Red Sea and Persian Gulf. BiologyDorsal spines (total): 11; Dorsal soft rays (total): 14-15; Anal spines: 3; Anal soft rays: 8Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEpinephelus poecilonotusFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length65.0Depth range45–375 m (148–1230 ft)EnvironmentMarine; brackish; reef-associated; depth range 45 - 375 mClimateTropicalDistributionIndo-West Pacific: east coast of Africa to Japan, Korea, South China Sea, Viet Nam, and Fiji. Unknown from the Red Sea and Persian Gulf.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: subsistence fisheriesResilienceLow, minimum population doubling time 4.5 - 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