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

Jul 03, 2026 16:54 · 3:09 · English · Whisper Turbo · 4 スピーカー

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

Sailfish,

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

three meters long,

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

are closing in on prey.

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S… Speaker 2 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

They

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

will only use just enough energy to make their kill,

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

never wasting a fin stroke.

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S… Speaker 2 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

Nearly

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

a hundred sailfish have surrounded a single school of baitfish.

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

It's very rare to see so many of these hunters in one place.

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S… Speaker 2 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

To herd

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S… Speaker 4 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

their prey,

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

the predators raise their huge dorsal fins.

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

A mistimed strike by one sailfish could fatally damage another,

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

but each continually changes its colour from blue to

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

striped to black.

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

That warns its companions of its intentions and

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

also confuses the prey.

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

As the shoal

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

is driven nearer the surface,

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

it comes within the range of the seabirds.

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S… Speaker 2 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

Out

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

here in the open ocean,

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

there is nowhere for the baitfish to hide.

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S… Speaker 2 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

Sailfish

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

live a high -octane life.

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

To survive,

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

they must find prey daily,

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S… Speaker 1 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

so their entire existence will be spent on

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S… Speaker 3 (The Deadly Fish That Changes Colour to Hunt - 20 Years of Planet Earth - BBC Earth)

the move.

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