HomeFish encyclopediaRay-finned fishesPuffers and FilefishesPuffersMilkspotted puffer Milkspotted puffer (Chelonodon patoca) Scientific name: Chelonodon patoca Hamilton, 1822 The Milkspotted puffer (Chelonodon patoca) is a freshwater fish of the family Tetraodontidae. In the aquarium it needs water at 23–28°C (73–82°F). Native range: Indo-Pacific, East Africa to the Admiralty Islands, New Britain and Trobiand Islands, north to China, south to northern Australia. Milkspotted puffer care at a glanceTemperature23–28°C (73–82°F) BiologyDorsal spines (total): 0; Dorsal soft rays (total): 9-11; Anal spines: 0; Anal soft rays: 8 - 10. Body covered with prickles.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChelonodon patocaFamilyTetraodontidae (Puffers)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length38.0Depth range4 m (13 ft)EnvironmentMarine; freshwater; brackish; reef-associated; anadromous; depth range 4 - ? mClimateTropicalDistributionIndo-Pacific: East Africa to the Admiralty Islands, New Britain and Trobiand Islands, north to China, south to northern Australia.Conservation status (IUCN)Not EvaluatedThreat to humansPoisonous to eatUsesFisheries: minor commercialResilienceMedium, 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