Delta Fish Protective News Today : Breaking News, Live Updates & Top Stories | Vimarsana

"That is a lot of fish, including a lot of commercially viable fish and a lot of endangered fish, to kill year in, year out," said Jon Rosenfield, science director at the environmental watchdog San Francisco Baykeeper.

As California pumps water south, an elaborate operation focuses on rescuing fish. Lately, more fish have been arriving, forcing the state to pump less water.