HomeFish encyclopediaRay-finned fishesCusk eelsCusk-eelsGlutin assfish Glutin assfish (Bassozetus glutinosus) Scientific name: Bassozetus glutinosus Alcock, 1890 The Glutin assfish (Bassozetus glutinosus) is a marine fish of the family Ophidiidae. Native range: Indo-West Pacific, off East Africa to probably Hawaii and also off New Caledonia. BiologyDorsal soft rays (total): 120-127; Anal soft rays: 101 - 103; Vertebrae: 66 - 71. Snout inflated; eyes much smaller than snout; opercular spine weak or absent; preopercle without spines and posteriorly expanded almost reaching posterior margin of opercle; pseudobranchial filaments 2.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameBassozetus glutinosusFamilyOphidiidae (Cusk-eels)OrderOphidiiformes (Cusk eels)ClassActinopterygii (Ray-finned fishes)Maximum length66.3Depth range1500–2040 m (4921–6693 ft)EnvironmentMarine; bathydemersal; depth range 1500 - 2040 mClimateDeep-waterDistributionIndo-West Pacific: off East Africa to probably Hawaii and also off New Caledonia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceMedium, minimum population doubling time 1.4 - 4.4 years (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