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Changing Seas
Biggest Fish in the Sea - Trailer
Each summer, the world’s largest known aggregation of whale sharks occurs just off the coast of Cancun, Mexico. Hundreds of these gentle giants come to the area to feed on plankton, giving experts the opportunity to learn more about the largest fish in the sea.
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Experts study southern sea otters to ensure their longtime survival on California’s coast.
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Florida scientists make remarkable discoveries about whitespotted eagle rays.
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Marine archaeologists uncover a Roman shipwreck on Croatia's Adriatic Coast.