The number of oceanic sharks and rays worldwide has fallen by 71% over the last 50 years, according to a study that found that some formerly abundant, wide-ranging species — including the Great Hammerhead — have declined so steeply that they are now classified as critically endangered.
The study, published in the journal Nature, found that three-quarters of ocean shark and ray species face an elevated risk of extinction.
Premier: The Great Pacific Garbage Patch Documentary
Join us for the Screening of:
The Great Pacific Garbage Patch Documentary.
Friday, November 8 · 5:30 – 8pm PST
Sports Basement Presidio
610 Old Mason Street San Francisco, CA 94129