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Hypomesus japonicus (Brevoort, 1856) |
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photo by
Vasilets, P. |
| Family: | Osmeridae (Smelts) | |||
| Max. size: | 25 cm TL (male/unsexed); max.weight: 158.0 g; max. reported age: 8 years | |||
| Environment: | demersal; freshwater; brackish; marine; depth range 0 - 50 m, anadromous | |||
| Distribution: | Northwest Pacific: Korean Peninsula and northern Japan to the Kuril Islands and Peter the Great Bay (Russia). | |||
| Diagnosis: | Dorsal spines (total): 0-0; Dorsal soft rays (total): 9-11; Anal spines: 0-0; Anal soft rays: 14-19; Vertebrae: 59-64. Vomer large, with broad, bifurcated posterior process; periphery of glossohyal bone with row of conical teeth, a few similar teeth located more centrally; pyloric caeca 6(4-7); base of adipose fin less than 20% of head length; eye small; adipose eyelid poorly developed. | |||
| Biology: | A marine-coastal species; spawning occurs in May on beaches (Ref. 33312). Anadromous (Ref. 37812). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 16 March 2020 Ref. (130435) | |||
| Threat to humans: | harmless | |||