HomeFish encyclopediaRay-finned fishesPerch-like fishDragonetsBig-head dragonet Big-head dragonet (Callionymus annulatus) Scientific name: Callionymus annulatus Weber, 1913 The Big-head dragonet (Callionymus annulatus) is a marine fish of the family Callionymidae. Native range: Western Central Pacific, southern Indonesia to Torres Strait. Species factsScientific nameCallionymus annulatusFamilyCallionymidae (Dragonets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length6.5Depth range8–26 m (26–85 ft)EnvironmentMarine; demersal; depth range 8 - 26 mClimateTropicalDistributionWestern Central Pacific: southern Indonesia to Torres Strait.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