The fish were believed to have been killed as a result of gas bubble disease while passing through a tunnel at the base of Iron Gate Dam.
https://www.opb.org/article/2024/03/03/chinook-salmon-die-klamath-river-dam/
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.opb.org/article/2024/03/03/chinook-salmon-die-klamath-river-dam/
Hundreds of thousands of juvenile Chinook salmon die in Klamath River while moving through dam
www.opb.orgApproximately 830,000 fall-run Chinook salmon fry are believed to have died while passing through the lowest dam on the Klamath River over the past week.