This undated aerial handout photo provided courtesy of Salvador Jorgensen shows sharks swimming at Soquel Cove in Santa Cruz, California. AFPPIX: There never used to be young great white sharks basking off the busy beaches of central California, but as climate change starts to bite, warmer waters are enticing them north -- with possibly catastrophic consequences for a whole ecosystem.
Growing to around 16 feet , they roam the world's seas thousands of feet deep to satisfy a voracious appetite for seals, sea lions and dolphins. Until a decade or so ago, that meant juveniles would only be found as far north as southern California.“We documented the sudden occurrence of much smaller sharks than had ever been seen here before,“ he told AFP in Monterey Bay, hundreds of miles north, where he attaches acoustic transmitters to individuals that allow him to track their travels.
“To an inexperienced shark, an otter may seem like the right target, but it turns out that otters don’t have a rich blubber layer, once they’re bitten, they’re actually not consumed. But often those interactions are fatal for the otter.” Without the otters, the kelp dies; without the kelp, scores of ocean species struggle.For Eric Mailander, an amateur scientist and boat skipper who helps Jorgensen tag great whites, the presence of young sharks in Monterey Bay offers a chance to see a truly impressive creature up close.“It’s like the first time I saw a shark, it never goes away. If I go out and see a shark, I’m excited.”
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