HomeFish encyclopediaRay-finned fishesPerch-like fishDragonetsSimple-spined dragonet Simple-spined dragonet (Callionymus simplicicornis) Scientific name: Callionymus simplicicornis Valenciennes, 1837 The Simple-spined dragonet (Callionymus simplicicornis) is a marine fish of the family Callionymidae. Native range: Pacific Ocean, Philippines to the Marquesan and Tuamoto islands. BiologyDorsal spines (total): 4; Dorsal soft rays (total): 8; Anal spines: 0; Anal soft rays: 7 - 8. Preopercular spine 1[4 - 13 (rarely 4 - 5)/0] 1.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCallionymus simplicicornisFamilyCallionymidae (Dragonets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length5.0Depth range40 m (131 ft)EnvironmentMarine; reef-associated; depth range ? - 40 mClimateTropicalDistributionPacific Ocean: Philippines to the Marquesan and Tuamoto islands.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