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Changing Seas
Grouper Moon
Season 4
Episode 403
During the winter full moons Nassau grouper gather in large numbers to spawn. Most of the known spawning sites have been fished out, but the Cayman Islands are home to the last great reproductive population of this endangered species.
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27:02
Scientists spend a month in the Galapagos Islands to conduct research.
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26:54
The world’s largest known aggregation of whale sharks occurs just off the coast of Cancun.
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29:33
Scientists work to identify and link a devastating coral disease to a human pathogen.