HomeFish encyclopediaRay-finned fishesPuffers and FilefishesPorcupinefishes (burrfishes)Birdbeak burrfish Birdbeak burrfish (Cyclichthys orbicularis) Scientific name: Cyclichthys orbicularis Bloch, 1785 The Birdbeak burrfish (Cyclichthys orbicularis) is a marine fish of the family Diodontidae. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 11-13; Anal spines: 0; Anal soft rays: 10 - 12. Adults brown to grey with blotches and clusters of black spots on back and sides; pelagic juveniles covered with black spots.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCyclichthys orbicularisFamilyDiodontidae (Porcupinefishes (burrfishes))OrderTetraodontiformes (Puffers and Filefishes)ClassActinopterygii (Ray-finned fishes)Maximum length30.0Depth range9–170 m (30–558 ft)EnvironmentMarine; reef-associated; depth range 9 - 170 mClimateTropicalDistributionIndo-West Pacific: Red Sea and East Africa to the Philippines, north to southern Japan, south to Australia and New Caledonia. Southeast Atlantic: south coast of South Africa.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: subsistence fisheries; gamefish: yesResilienceMedium, 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