HomeFish encyclopediaRay-finned fishesPuffers and FilefishesPuffersMarbled puffer Marbled puffer (Sphoeroides dorsalis) Scientific name: Sphoeroides dorsalis Longley, 1934 The Marbled puffer (Sphoeroides dorsalis) is a marine fish of the family Tetraodontidae. Native range: Western Central Atlantic, Throughout the area, from North Carolina, USA to Suriname. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 8; Anal spines: 0; Anal soft rays: 7Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSphoeroides dorsalisFamilyTetraodontidae (Puffers)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length20.0Common length18.0Depth range18–100 m (59–328 ft)EnvironmentMarine; demersal; depth range 18 - 100 m, usually 18 - 100 mClimateSubtropicalDistributionWestern Central Atlantic: Throughout the area, from North Carolina, USA to Suriname.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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