HomeFish encyclopediaRay-finned fishesPuffers and FilefishesPuffersLattice blaasop Lattice blaasop (Takifugu oblongus) Scientific name: Takifugu oblongus Bloch, 1786 The Lattice blaasop (Takifugu oblongus) is a brackish-water fish of the family Tetraodontidae. Native range: Indo-West Pacific, South Africa to Indonesia, north to Japan, south to Australia. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 12-14; Anal spines: 0; Anal soft rays: 10 - 12. Body covered with prickles. Brownish above with pale spots, yellowish white below; narrow dark bars on sides.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameTakifugu oblongusFamilyTetraodontidae (Puffers)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length40.0EnvironmentMarine; brackish; demersalClimateTropicalDistributionIndo-West Pacific: South Africa to Indonesia, north to Japan, south to Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceMedium, 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