| Salmonidae (Salmonids), subfamily: Salmoninae |
| 120 cm TL (male/unsexed); max.weight: 15 kg; max. reported age: 9 years |
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benthopelagic; freshwater; brackish; marine; depth range 0 - 50 m, anadromous |
| Northwest Pacific: Japan and northeastern Korean Peninsula through Sakhalin, the Kuril Islands to Kamchatka. |
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| The land-locked form prefers low temperature streams, below 15°C. Young of the sea-run form enter the sea at 2 years of age and return to the rivers for spawning when they are 4 years or older. Found in summertime water temperature of 13-15° C (Ref. 12218). Carnivore, feeding on insects and plankton (Ref. 12218). Utilized fresh, smoked and frozen; can be broiled, microwaved and baked (Ref. 9988). Two forms: the land-locked form which reaches 35 cm, and the ocean form of 70 cm (Ref. 9137). |
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Not Evaluated (N.E.) Ref. (130435)
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| harmless |
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Recorded from Lake Biwa (Ref. 78994), Hokkaido (Ref. 37812), and Chugoku District westward from the Yoshii River (Okayama Prefecture) and Hii River (Shimane Prefecture) (Ref. 41299). Status of threat in the 2005 Red Data Book of Shiga Prefecture : data deficient so caution needed (Ref. 79825). Also Ref. 4537, 9988, 12218. |
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