Fungal meningitis, salinity changes could explain leopard shark deaths

An estimated 1,000 leopard sharks have turned up dead on California beaches since the first part of March, and scientists are looking for the cause. Acidity changes in the seawater brought on by major rainfall this year may have made the sharks more susceptible to health threats, and California Department of Fish and Wildlife fish pathologist Mark Okihiro necropsied 26 of the dead sharks and found evidence suggesting they may be dying from a fungal meningitis.Santa Cruz Sentinel (Calif.)/Bay Area News Group

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