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 发言者

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讲座索引

0:07

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

Sailfish,

0:08

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

three meters long,

0:10

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

are closing in on prey.

0:12

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

They

0:19

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,

0:22

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

never wasting a fin stroke.

0:25

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

Nearly

0:31

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.

0:35

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.

0:39

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

To herd

0:43

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

their prey,

0:44

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.

1:05

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,

1:09

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

1:13

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

striped to black.

1:14

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

1:18

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

also confuses the prey.

1:20

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

As the shoal

1:24

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

is driven nearer the surface,

1:26

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.

1:29

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

Out

1:44

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

here in the open ocean,

1:45

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.

1:48

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

Sailfish

2:32

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

live a high -octane life.

2:35

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

To survive,

2:36

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

they must find prey daily,

2:38

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

2:42

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

the move.

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