HomeFish encyclopediaRay-finned fishesPerch-like fishCutlassfishesIntermediate scabbardfish Intermediate scabbardfish (Aphanopus intermedius) Scientific name: Aphanopus intermedius Parin, 1983 The Intermediate scabbardfish (Aphanopus intermedius) is a marine fish of the family Trichiuridae. BiologyDorsal spines (total): 39 - 44; Dorsal soft rays (total): 54-59; Anal spines: 2; Anal soft rays: 46 - 50; Vertebrae: 102 - 108. Pelvic fins represented by a single spine in juveniles inserted before the base of the pectoral fins but entirely absent in adults. Body is coppery black with iridescent tint. The inside of the mouth and gill cavities black.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAphanopus intermediusFamilyTrichiuridae (Cutlassfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length100.0Depth range300–1350 m (984–4429 ft)EnvironmentMarine; benthopelagic; depth range 300 - 1350 mClimateDeep-waterDistributionAtlantic Ocean: in moderately warm and tropical waters; it has not been found only off the coast of South America. In the eastern Atlantic, it is found off western Sahara, Congo and Angola, from Sierra Leone submarine rise and Pilberry Seamount.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceLow, minimum population doubling time 4.5 - 14 years (Assuming tmax>10) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026