Billfish: Battle on the Line

Produced by South Florida PBS, Changing Seas gives viewers a fish-eye view of life in the deep blue. Join scientists as they study earth’s last frontier and discover the mysteries of our liquid planet.

RMPBS Passport

Please log in to your PBS Passport account to watch this video

Become a Member

Billfish: Battle on the Line

Season 7 Episode 703 | 26m 44s | CC

The unique 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 the fish populations from further decline.

Changing Seas

Watch more episodes

26:43

Changing Seas

Sea Turtles: The Lost Years

Researchers are beginning to understand where turtles go during their “lost years.”

26:42

Changing Seas

Grand Canyman's Famous Stingrays

Researchers study what impact ecotourism might have on southern stingrays.

Major funding for this program was provided by the Batchelor Foundation, encouraging people to preserve and protect America’s underwater resources. Additional funding was provided by Diver’s Direct/Emocean Club, inspiring the pursuit of tropical adventures and scuba diving; and by the Do Unto Others Trust. Distributed by American Public Television.

Subscribe to Our Newsletters

Get trusted Colorado stories, programs, and events from Rocky Mountain PBS straight to your inbox.

Set Your Preferences >