HomeFish encyclopediaRay-finned fishesPerch-like fishCutlassfishesMikhailin's scabbardfish Mikhailin's scabbardfish (Aphanopus mikhailini) Scientific name: Aphanopus mikhailini Parin, 1983 The Mikhailin's scabbardfish (Aphanopus mikhailini) is a marine fish of the family Trichiuridae. BiologyDorsal spines (total): 42 - 45; Dorsal soft rays (total): 61-66; Anal spines: 2; Anal soft rays: 51 - 57; Vertebrae: 111 - 117. Pelvic fins represented by a single spine in juveniles, inserted before the base of the pectoral fins, but entirely absent in adults. Body color 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 mikhailiniFamilyTrichiuridae (Cutlassfishes)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length90.0Depth range905–2000 m (2969–6562 ft)EnvironmentMarine; benthopelagic; depth range 905 - 2000 mClimateDeep-waterDistributionSoutheast Atlantic: Namibia and at Walvis Ridge. Southwest Atlantic: off Argentina. Indian Ocean: on seamounts off Mozambique and the West Australian Ridges. Western Pacific: Southeast Australia, North Island in New Zealand and the Challenger Plateau.Conservation status (IUCN)Least Concern (LC)Threat 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