HomeFish encyclopediaRay-finned fishesPuffers and FilefishesPuffersDiamondback puffer Diamondback puffer (Lagocephalus guentheri) Scientific name: Lagocephalus guentheri Miranda Ribeiro, 1915 The Diamondback puffer (Lagocephalus guentheri) is a marine fish of the family Tetraodontidae. Species factsScientific nameLagocephalus guentheriFamilyTetraodontidae (Puffers)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length26.0EnvironmentMarine; demersalClimateSubtropicalDistributionIndo-West Pacific: Persian Gulf, southern Oman, India, Indonesia, northwestern Australia and the South China Sea. Reported from Japan. Southwest Atlantic: Brazil.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