HomeFish encyclopediaRay-finned fishesLightfishes and DragonfishesBarbeled dragonfishesIjima's snaggletooth Ijima's snaggletooth (Astronesthes ijimai) Scientific name: Astronesthes ijimai Tanaka, 1908 The Ijima's snaggletooth (Astronesthes ijimai) is a marine fish of the family Stomiidae. Native range: Indo-West Pacific, Japan and adjacent waters of Indonesia, Indian Ocean. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 11-13; Anal spines: 0; Anal soft rays: 17 - 21; Vertebrae: 53 - 56Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAstronesthes ijimaiFamilyStomiidae (Barbeled dragonfishes)OrderStomiiformes (Lightfishes and Dragonfishes)ClassActinopterygii (Ray-finned fishes)Maximum length15.0Depth range300–500 m (984–1640 ft)EnvironmentMarine; bathypelagic; depth range 300 - 500 mClimateDeep-waterDistributionIndo-West Pacific: Japan and adjacent waters of Indonesia, Indian Ocean.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Assuming tmax>3) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026