The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth

3:09 4 스피커 2 장 29 세그먼트

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    Sailfish, three meters long, are closing in on prey. They will only use just enough energy to make their kill, never wasting a fin stroke. Nearly a hundred sailfish have surrounded a single school of baitfish. It's very rare to see so many …

  2. 2:42
    장 2: the move. · Speaker 3

    the move.