HomeFish encyclopediaRay-finned fishesPerch-like fishDragonetsSmall ruddertail dragonet Small ruddertail dragonet (Pseudocalliurichthys brevianalis) Scientific name: Pseudocalliurichthys brevianalis Fricke, 1983 The Small ruddertail dragonet (Pseudocalliurichthys brevianalis) is a marine fish of the family Callionymidae. Native range: Western Central Pacific, Indonesia. Species factsScientific namePseudocalliurichthys brevianalisFamilyCallionymidae (Dragonets)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length2.1Depth range0–6 m (0–20 ft)EnvironmentMarine; demersal; depth range 0 - 6 mClimateTropicalDistributionWestern Central Pacific: Indonesia.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