HomeFish encyclopediaRay-finned fishesPuffers and FilefishesPuffersClown toado Clown toado (Canthigaster callisterna) Scientific name: Canthigaster callisterna Ogilby, 1889 The Clown toado (Canthigaster callisterna) is a marine fish of the family Tetraodontidae. Native range: Southwest Pacific, Australia, including Lord Howe and Norfolk Islands and New Zealand, including Kermadec Islands. Including New Caledonia. Species factsScientific nameCanthigaster callisternaFamilyTetraodontidae (Puffers)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length23.0Depth range250 m (820 ft)EnvironmentMarine; demersal; depth range ? - 250 mClimateTemperateDistributionSouthwest Pacific: Australia, including Lord Howe and Norfolk Islands and New Zealand, including Kermadec Islands. Including New Caledonia.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