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Threatened Species Return To Spawn In Sacramento River
RIVER SPAWN PIX
Improvements to the Fremont Weir has helped facilitate adult fish passage, allowing various species to pass through the facility to the Sacramento River to migrate upstream and spawn. Photo Contributed
Over one recent 48-hour period when the Fremont Weir Adult Fish Passage was opened, the facility’s fish-counting sonar counted 55 sturgeon passing through the facility to the Sacramento River to migrate upstream and spawn.