IUCN threat status:

Not evaluated

Comprehensive Description

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Land-locked subspecies that occurs only in Lake Shikaribetsu and connecting rivers in Japan. In the lake, two populations exist, pelagic feeding on plankton and bottom dwellers. Spawning occurs in rivers between September and November. Juveniles remain in the river; they move into the lake the following autumn. The bottom dwelling population may spawn in the lake.


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© FishBase

Source: FishBase

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