… [L]ast year … President Trump ordered the Army Corps of Engineers to open up flows from the part of California’s vast water system that’s controlled by the federal government. Trump backed it up with an executive order and what’s now known as Action 5, a plan for the Bureau of Reclamation to divert more water to farmers, independent of state water officials. … Several environmental groups, including San Francisco Baykeeper and the Center for Biological Diversity are now suing, claiming the Action 5 diversions violate the Endangered Species Act and will harm fish populations including chinook salmon.

Other fishery news:

• Denver Gazette (Colo.): CPW using ‘Trojan’ fish that only produce male offspring to fight back against invasive species
• KUNR (Reno, Nev.): Scientists gather at Lake Tahoe to protect the world’s largest trout
• NOAA Fisheries: Blog: Upwelling fueled productive West Coast ocean, holding warm waters offshore in 2025
• CalTrout: Blog: Designing a future where humans and southern steelhead thrive together