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The Deadly Fish That Changes Colour to Hunt | 20 Years of Planet Earth | BBC Earth
The Deadly Fish That Changes Colour to Hunt | 20 Years of Planet Earth | BBC Earth
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Субтитры (27)
0:08
Sailfish 3 m long are closing in on
0:12
prey.
0:18
They will only use just enough energy to
0:22
make their kill. Never wasting a fin
0:25
stroke.
0:30
Nearly a hundred sailfish have
0:32
surrounded a single school of bait fish.
0:35
It's very rare to see so many of these
0:37
hunters in one place.
0:42
To herd their prey, the predators raise
0:45
their huge dorsal fins.
1:05
A mist timed strike by one sailfish
1:08
could fatally damage another, but each
1:10
continually changes its color from blue
1:13
to striped to black. That warns its
1:16
companions of its intentions and also
1:19
confuses the prey.
1:23
As the shaw is driven nearer the
1:25
surface, it comes within the range of
1:28
the seabirds.
1:44
Out here in the open ocean, there is
1:46
nowhere for the bait fish to hide.
2:12
Heat. Heat.
2:31
sailfish live a high octane life. To
2:36
survive, they must find prey daily.
2:39
So, their entire existence will be spent
2:42
on the move.