Changing Seas

Billfish: Battle on the Line? - Trailer

Preview: Season 7 Episode 3 | 2m 16s

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.

Aired: 10/13/16

Rating: NR

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