Up Next
Back to Show
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.
Support Provided By
Unlock with PBS Passport
26:48
Examine the important role seagrasses and mangroves play in the ocean’s web of life.
Unlock with PBS Passport
26:51
Take a look at the health of the bottlenose dolphin.
Unlock with PBS Passport
26:51
The Changing Seas crew shadows a team of research divers in Dry Tortugas National Park.
26:45
Scientists develop sustainable aquaculture methods to take the pressure off wild fish.
26:46
Scientists scan the ocean floor to find deep sea corals threatened by bottom trawling.
26:49
Scientists at the world’s only underwater lab study the impacts of ocean acidification.
26:54
After being fished to near extinction, Goliath Groupers are making a comeback in Florida.