HomeFish encyclopediaRay-finned fishesPuffers and FilefishesPuffersJapanese pufferfish Japanese pufferfish (Takifugu rubripes) Scientific name: Takifugu rubripes Temminck & Schlegel, 1850 The Japanese pufferfish (Takifugu rubripes) is a freshwater fish of the family Tetraodontidae. Native range: Northwest Pacific, western part of the Sea of Japan and the East China and Yellow seas northward to Muroran, Hokkaido, Japan. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 16-19; Anal spines: 0; Anal soft rays: 13 - 16; Vertebrae: 21 - 22. Body covered with prickles; presence of a large round black blotch edged with a white line on side just behind pectoral fin.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTakifugu rubripesFamilyTetraodontidae (Puffers)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length80.0Common length40.0EnvironmentMarine; freshwater; brackish; demersal; non-migratoryClimateTemperateDistributionNorthwest Pacific: western part of the Sea of Japan and the East China and Yellow seas northward to Muroran, Hokkaido, Japan.Conservation status (IUCN)Not EvaluatedThreat to humansPoisonous to eatUsesFisheries: highly commercial; aquaculture: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.15-0.17; assuming tm SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026