Wednesday, 17 April 2024

Nimbus Hatchery fish ladder to open Nov. 4

NORTHERN CALIFORNIA – The salmon ladder at the Nimbus Fish Hatchery in Rancho Cordova will open Monday, Nov. 4, signaling the start of the spawning season on the American River.

California Department of Fish and Wildlife hatchery workers will open the gates in the ladder at 10:30 a.m. and will take more than a half-million eggs during the first week alone in an effort to ensure the successful spawning return of fall-run Chinook salmon.

The three major state-run hatcheries in the Central Valley – Nimbus Fish Hatchery in Sacramento County, and hatcheries on the Feather River in Butte County and the Mokelumne River in San Joaquin County – will take approximately 24 million eggs over the next two months to produce Chinook salmon for release next spring.

Each hatchery has a viewing area where visitors can watch the spawning process. The visitors’ center at Nimbus Hatchery includes a playground with replicas of giant salmon.

Nimbus Hatchery is open to the public free of charge from 8 a.m. to 3 p.m. on weekdays and 9 a.m. to 3 p.m. on weekends.

For more information about spawning schedules and educational opportunities at each hatchery, please visit the CDFW website at www.wildlife.ca.gov/fishing/hatcheries.

There are eight state-run salmon and steelhead hatcheries, all of which will participate in the salmon spawning effort.

These spawning efforts were put in place over the past half century to offset fish losses caused by dams that block salmon from historic spawning habitat.

Once the young salmon reach 2 to 4 inches in length, one-quarter of the stock will be marked and implanted with a coded wire tag prior to release.

CDFW biologists use the information from the tags to chart their survival, catch and return rates.

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