Uploaded May 2026 | Updated September 2026, 2 weeks ago

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Built for extreme dives, sperm whales can stay underwater for up to two hours and reach depths beyond 4,000 feet.

This extract follows the scientists studying how that diving ability connects to a precise feeding tactic: taking Patagonian toothfish from longlines in waters where the behavior is almost impossible to witness directly.

Documentary: Marine Mammals : Champions of the Deep
Director: Bertrand Loyer
Production: Saint Thomas Productions & ARTE France (2017)

#spermwhales #mauritius #indianocean #marinescience #deepdiving #longlinefishing #patagoniantoothfish #whalebehavior #documentary #freedocumentary #ecology #earth #environment #sustainability #climatechange #science