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You could call it a whale of a "swarm"—the biggest observed gathering of whale sharks was spotted off the coast of Mexico's Yucatán Peninsula in 2009, according to a recent study. Snapped from a small plane, the above picture shows a white boat (bottom right) amid the fishy gathering. Usually the oceans' biggest fish—which reach lengths of up to 40 feet (12 meters)—stick to themselves as they cruise the world's tropical waters looking for plankton and other small prey. But aerial and surface surveys spotted at least 420 of the sharks rubbing fins as they gorged on eggs freshly spawned by little tunny fish, a relative of the mackerel.
There's no evidence the fish were interacting or working together to catch more food, as dolphins sometimes do by herding schools of fish, Maslanka said. "They're big animals, but their brains aren't all that big." But the assembly did reveal a new spawning ground for little tunny—as well as a new aspect of whale shark behavior, he said. Instead of stuffing themselves to the gills and moving on after one spawning event, as scientists had suspected, the sharks hung around for a while to take advantage of successive spawnings.
Whale sharks predictably congregate along Mexico's eastern coast each summer, but where they roam the rest of the year remains a puzzle, Maslanka noted.
Originally posted by Chadwickus
Whale sharks are completely harmless, would be an awesome experience to swim with them.
.... and a hell of a rush.
Whale sharks are filter feeders, people are way to big for them to eat.
But aerial and surface surveys spotted at least 420 of the sharks
Originally posted by Chadwickus
reply to post by anon72
Whale sharks are completely harmless, would be an awesome experience to swim with them.
Some great shots of the swarm there.