HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsReticulate grouper Reticulate grouper (Epinephelus tuamotuensis) Scientific name: Epinephelus tuamotuensis Fourmanoir, 1971 The Reticulate grouper (Epinephelus tuamotuensis) is a marine fish of the family Serranidae. Native range: Eastern Central Pacific, known only from the Tuamoto Islands, Society Islands, Pitcairn Group, and Rapa. BiologyDorsal spines (total): 11; Dorsal soft rays (total): 15; Anal spines: 3; Anal soft rays: 8. Interorbital space convex; preopercle sub angular, with 3 or 4 enlarged serrae at its angle; upper edge of the operculum straight or nearly so; posterior nostrils larger than anterior ones; maxilla reaches almost to or slightly beyond vertical at rear edge of eye. Overall color is pale yellowish brown with an irregular coarse reticulum of dark brown on body and posterior portions of the head. Fins unmarked.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEpinephelus tuamotuensisFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length66.0Depth range120–250 m (394–820 ft)EnvironmentMarine; demersal; depth range 120 - 250 mClimateTropicalDistributionEastern Central Pacific: known only from the Tuamoto Islands, Society Islands, Pitcairn Group, and Rapa.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessUsesFisheries: minor commercialResilienceLow, 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