HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsRock hind Rock hind (Epinephelus adscensionis) Scientific name: Epinephelus adscensionis Osbeck, 1765 The Rock hind (Epinephelus adscensionis) is a marine fish of the family Serranidae. BiologyInhabits rocky reefs. Usually solitary. Feeds mainly on crabs (67%) and fishes (20%). At Ascension I., it feeds on juvenile Melichthys niger and young sea turtles. Difficult to approach. Its flesh is of good quality. Marketed fresh. Angling: Like other grouper, rock hind are caught by fishing at the right depth over an irregular bottom.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameEpinephelus adscensionisFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length61.0Common length35.0Depth range1–120 m (3–394 ft)EnvironmentMarine; demersal; depth range 1 - 120 m, usually ? - 15 mClimateTropicalDistributionWestern Atlantic: Massachusetts, USA and Bermuda to the Gulf of Mexico, the Caribbean and southern Brazil. Eastern Atlantic: Ascension and St. Helena islands; dubious records from the Canary Islands, Cape Verde and South Africa are discussed by Heemstra.Conservation status (IUCN)Least Concern (LC)Threat to humansReports of ciguatera poisoningUsesFisheries: highly commercial; gamefish: yesResilienceLow, minimum population doubling time 4.5 - 14 years (K=0.11) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026