HomeFish encyclopediaRay-finned fishesCusk eelsViviparous brotulasBeate's coralbrotula Beate's coralbrotula (Diancistrus beateae) Scientific name: Diancistrus beateae Schwarzhans, M?ller & Nielsen, 2005 The Beate's coralbrotula (Diancistrus beateae) is a marine fish of the family Bythitidae. Native range: Pacific Ocean, Micronesia, Indonesia, New Guinea, Solomons, Vanuatu Is., Fiji, Samoa, and Australia. BiologyDorsal soft rays (total): 84-91; Anal soft rays: 65 - 74; Vertebrae: 44 - 46. Diagnosis: Vertebrae 11+33-35=44-46, dorsal fin rays 84-91, anal fin rays 65-74; eyes large (2.6-3.5% SL); outer pseudoclasper massive, hook-shaped, very broad in ventral view; inner pseudoclasper stout, fleshy, not extending over anterior rim of outer pseudoclasper; broad scale patch on cheek, large scale patch on operculum continuous above and below opercular spine.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameDiancistrus beateaeFamilyBythitidae (Viviparous brotulas)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length13.2EnvironmentMarine; reef-associatedClimateTropicalDistributionPacific Ocean: Micronesia, Indonesia, New Guinea, Solomons, Vanuatu Is., Fiji, Samoa, and Australia.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