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Watch Nature Season 26 Episode 12 Online

  • 8.1/10
  • COUNTRIES: Germany,United States of America
  • Subtitles: English

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).