HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsTonga grouper Tonga grouper (Epinephelus chlorocephalus) Scientific name: Epinephelus chlorocephalus Valenciennes, 1830 The Tonga grouper (Epinephelus chlorocephalus) is a marine fish of the family Serranidae. Native range: Eastern Central Pacific, known only from Tonga. 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 chlorocephalusFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length17.1EnvironmentMarine; demersalClimateTropicalDistributionEastern Central Pacific: known only from Tonga.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesFisheries: of no interestResilienceHigh, minimum population doubling time less than 15 months (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