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Changing Seas
Billfish: Battle on the Line? - Trailer
The unique oceanographic conditions of the eastern tropical Pacific make the area one of the best spots in the world for big game anglers to hook billfish. But intense pressures from commercial fishing operations have taken their toll on the numbers of sailfish and marlin in the region. Researchers are studying the animals to provide the data necessary to protect populations from further decline.
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26:46
The Changing Seas team meets with researchers in French Polynesia.

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26:46
New research sheds light on the lives of mysterious creatures of the deep.

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26:45
Divers from around the country learn how to map shipwrecks.

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Follow one scientist studying coral in Belize.

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27:14
Scientists studying the coastal Everglades make some perplexing discoveries.

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The Cayman Islands are home to the last great reproductive population of grouper.

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29:33
Scientists work to identify and link a devastating coral disease to a human pathogen.

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27:16
Scientists use satellite tags and DNA forensic tools to track tiger sharks.

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Oceanographers continue to study the long term effects of an oil spill.

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26:46
A group of scientists tests sea sponges for potential anti-cancer properties.

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26:46
Explore the emerging science of coral reef restoration.

26:49
The invasive lionfish is a major threat to biodiversity and a stressed coral reef.