HomeFish encyclopediaRay-finned fishesSmeltsArgentines or herring smeltsDeep-sea smelt Deep-sea smelt (Glossanodon semifasciatus) Scientific name: Glossanodon semifasciatus Kishinouye, 1904 The Deep-sea smelt (Glossanodon semifasciatus) is a marine fish of the family Argentinidae. Native range: Northwest Pacific, southern Japan. BiologyDorsal spines (total): 0; Dorsal soft rays (total): 11; Anal spines: 0; Anal soft rays: 10 - 12. Body elongated and cylindrical. Anal fin base shorter than dorsal fin base. Snout longer than eye diameter. Branchiostegals 5. Lower jaw protruding.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameGlossanodon semifasciatusFamilyArgentinidae (Argentines or herring smelts)OrderOsmeriformes (Smelts)ClassActinopterygii (Ray-finned fishes)Maximum length21.0Depth range70–430 m (230–1411 ft)EnvironmentMarine; benthopelagic; depth range 70 - 430 mClimateTemperateDistributionNorthwest Pacific: southern Japan.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceHigh, minimum population doubling time less than 15 months (K=0.27-1.2; tmax=2) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026