HomeFish encyclopediaRay-finned fishesCusk eelsViviparous brotulasVietnam coralbrotula Vietnam coralbrotula (Diancistrus vietnamensis) Scientific name: Diancistrus vietnamensis Schwarzhans, M?ller & Nielsen, 2005 The Vietnam coralbrotula (Diancistrus vietnamensis) is a marine fish of the family Bythitidae. Native range: Western Pacific, northernmost Viet Nam (Cat Ba Islands) and adjacent southernmost China. BiologyDorsal soft rays (total): 69-80; Anal soft rays: 58 - 64; Vertebrae: 31 - 33. This species is distinguished by the following: vertebrae 11+31-33=42-44, dorsal fin rays 69-80 (mostly 57884).Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDiancistrus vietnamensisFamilyBythitidae (Viviparous brotulas)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length6.2EnvironmentMarine; reef-associatedClimateTropicalDistributionWestern Pacific: northernmost Viet Nam (Cat Ba Islands) and adjacent southernmost China.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