HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsMottled grouper Mottled grouper (Mycteroperca rubra) Scientific name: Mycteroperca rubra Bloch, 1793 The Mottled grouper (Mycteroperca rubra) is a marine fish of the family Serranidae. BiologyOccurs over rocky and sandy bottoms; young individuals very common in mangrove-lined lagoons. Feeds on mollusks (presumably cephalopods) and small fishes. Marketed fresh.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameMycteroperca rubraFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length144Common length80.0Depth range15–200 m (49–656 ft)EnvironmentMarine; demersal; depth range 15 - 200 m, usually 15 - 50 mClimateSubtropicalDistributionEastern Atlantic: Portugal to southern Angola; reports from islands require confirmation. Specimens from Madeira, Azores, Canary Islands, and Cape Verde have been examined by Heemstra (1991, ) and are identified to be Mycteroperca fusca. Replaced by Mycteroperca acutirostris in the western Atlantic.Conservation status (IUCN)Least Concern (LC), IUCN Grouper and Wrasse Specialist GroupThreat to humansHarmlessUsesFisheries: minor commercialResilienceVery Low, minimum population doubling time more than 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