HomeFish encyclopediaRay-finned fishesPuffers and FilefishesPuffersBluespotted blaasop Bluespotted blaasop (Chelonodon laticeps) Scientific name: Chelonodon laticeps Smith, 1948 The Bluespotted blaasop (Chelonodon laticeps) is a brackish-water fish of the family Tetraodontidae. Native range: Western Indian Ocean, 6?S to Xora River mouth, South Africa. Western Central Pacific: Papua New Guinea. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 9-10; Anal spines: 0; Anal soft rays: 8 - 9. Large bluish spots and 4 vague darker vertical bars (1st across eye, 4th on caudal peduncle).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameChelonodon laticepsFamilyTetraodontidae (Puffers)OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length20.0EnvironmentMarine; brackish; demersalClimateTropicalDistributionWestern Indian Ocean: 6?S to Xora River mouth, South Africa. Western Central Pacific: Papua New Guinea.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