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Sharks Are Dying by the Hundreds in San Francisco Bay

By Eric Simons, Bay Nature

Hundreds of leopard sharks and bat rays have washed up dead or dying on the San Francisco Bay shoreline this spring, the second year in a row of mass elasmobranch death in the bay and the third major die-off in the last six years. But for the first time since an unusual shark stranding was first reported in the East Bay a half century ago, scientists say they’re close to an explanation.

“I look at it as a 50-year-old shark murder mystery, and we are hopefully closing in on the killer,” said California Department of Fish and Wildlife senior fish pathologist Mark Okihiro, who has led the stranding investigation.

Read the complete story at Bay Nature.