HomeFish encyclopediaRay-finned fishesPerch-like fishSea basses: groupers and fairy bassletsSnowy grouper Snowy grouper (Hyporthodus niveatus) Scientific name: Hyporthodus niveatus Valenciennes, 1828 The Snowy grouper (Hyporthodus niveatus) is a marine fish of the family Serranidae. Native range: Western Atlantic, Canada to Massachusetts, USA to southern Brazil, including the Gulf of Mexico and the Caribbean. BiologyAdults occur well offshore on rocky bottoms. Juveniles may be found inshore and are often reported from the northeastern coast of the U.S. Adults feed on fishes, gastropods, cephalopods, and brachyuran crustaceans. Valuable commercial food fish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameHyporthodus niveatusFamilySerranidae (Sea basses: groupers and fairy basslets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length122Common length60.0Depth range30–525 m (98–1722 ft)EnvironmentMarine; demersal; depth range 30 - 525 m, usually 100 - 200 mClimateSubtropicalDistributionWestern Atlantic: Canada to Massachusetts, USA to southern Brazil, including the Gulf of Mexico and the Caribbean.Conservation status (IUCN)Vulnerable (VU) (A2d+3d), IUCN Grouper and Wrasse Specialist GroupThreat to humansHarmlessUsesFisheries: commercialResilienceLow, minimum population doubling time 4.5 - 14 years (K=0.07-0.09; tmax=27) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026