HomeFish encyclopediaRay-finned fishesPuffers and FilefishesPuffersGreen puffer Green puffer (Sphoeroides greeleyi) Scientific name: Sphoeroides greeleyi Gilbert, 1900 The Green puffer (Sphoeroides greeleyi) is a brackish-water fish of the family Tetraodontidae. Native range: Western Atlantic, Honduras to Santa Catarina, Brazil. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 8; Anal spines: 0; Anal soft rays: 7. Upper two-thirds of head and body with groups of small dark brown spots; whitish ventrally; caudal fin with a dusky bar basally and a 2nd but fainter dark bar in outer middle part of fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSphoeroides greeleyiFamilyTetraodontidae (Puffers)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length18.0Common length14.0EnvironmentMarine; brackish; reef-associatedClimateTropicalDistributionWestern Atlantic: Honduras to Santa Catarina, Brazil.Conservation status (IUCN)Not EvaluatedThreat to humansReports of ciguatera poisoningResilienceHigh, 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