HomeFish encyclopediaRay-finned fishesPuffers and FilefishesPuffersSpotted puffer Spotted puffer (Guentheridia formosa) Scientific name: Guentheridia formosa G?nther, 1870 The Spotted puffer (Guentheridia formosa) is a marine fish of the family Tetraodontidae. Native range: Eastern Central Pacific, Costa Rica to Ecuador. BiologyCoastal species found on soft bottom. Carnivorous.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGuentheridia formosaFamilyTetraodontidae (Puffers)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length26.0EnvironmentMarine; demersalClimateTropicalDistributionEastern Central Pacific: Costa Rica to Ecuador.Conservation status (IUCN)Least Concern (LC)Threat 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