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Marine biologist-filmmaker Rick Rosenthal documents billfish (marlins, sailfish and swordfish), whose numbers have dwindled over the past 50 years from overfishing. Included: off Mexico's Contoy Island, he finds thousands of sailfish feasting on sardines; and along Australia's Great Barrier Reef, he swims with a "grander" (a marlin over 1000 pounds).
First Air Date : Oct 10, 1982
Last Air date : Apr 22, 2026
Episode : 692 Episode
Season : 44 Season
Runtime: 53:14 minutes
Studio: PBS
Country: Germany, United States of America
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Crew:
