HomeFish encyclopediaRay-finned fishesPuffers and FilefishesPuffersNaked puffer Naked puffer (Sphoeroides lispus) Scientific name: Sphoeroides lispus Walker, 1996 The Naked puffer (Sphoeroides lispus) is a marine fish of the family Tetraodontidae. Native range: Eastern Pacific, throughout the Gulf of California to Baja Magdalena. BiologyAdults found in bays and over sandy bottoms, small juveniles often in more open areas over cobble or rocky bottoms.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSphoeroides lispusFamilyTetraodontidae (Puffers)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length35.2Depth range5–20 m (16–66 ft)EnvironmentMarine; demersal; depth range 5 - 20 mClimateSubtropicalDistributionEastern Pacific: throughout the Gulf of California to Baja Magdalena.Conservation status (IUCN)Least Concern (LC)Threat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 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