New here? Create a new Account
Move to the previous cue
Move to the next cue
Increase size of captions
Decrease size of captions
Translate current cue
00:58:08
David Attenborough
73
Only at night, do vast shoals of lanternfish
The flapjack octopus.
Thirty tonn of it.
there is a profusion of life.
To provide sustenance for these microbe,
To provide sustenance for these microbes,
into the world of perpetual blackness below.
Only at night, do vast shoal of lanternfish
were swept into this sponge when they were tiny larva,
Giant mussel that can live or grow for a century or more,
Down here, in these deep ravine,
that have flourished here for millennia
and her twin submersible, Deep Rover and Nadir.
A month on, and over 30 species of scavenger
Two metres long and 50 kilo in weight.
right up to the underside face of an iceberg.
a puddle is forming on the floor of the sub.
the carcass of a huge sperm whale
Some of the whale's teeth have been dislodge
Sinking down beside the submerge wall of an iceberg,
Gases and scalding water gush up through the crevices.
Hunters illuminate themselves,
are cram into a single square metre.
No human being has ever descend into the depths that surround it...
that have flourish here for millennia
dissolve in the searingly hot fluid.
that enrich the Antarctic deep seabed
Canyons that plunge towards the centre of the earth.
it accumulate in great pools on the sea floor.
The first arrival has gorge
migrate to the surface to feed on tiny plankton.
A tube of jelly two metres long that dwarf a visitor from above,
The sunlight fade,
were swept into this sponge when they were tiny larvae,
the ocean floor is being torn apart.
and steal its catch.
They're now far too big to go out the way they came in.
The Sound is ominously known as "Iceberg Alley".
Scabbardfish, habitually swimming upright,
as it delicately sifts through it searching for worms.
make it possible to graphically reconstruct an image
have an exceptionally acute sense of smell.
They seldom go deeper
pack tightly together,
presumably as makeshift body armour.
Scabbardfish, habitually swimming upright,
Its right eye looks permanently downwards.
They repeatedly clone themselves,
it seems that there is nowhere in the deep sea
Without sunlight, they rely solely on food
Siphonophores are virtually eternal.
The waters of the Antarctic Sound are potentially rich,
then surely it could exist somewhere out there.
some eventually growing longer than a blue whale.
Two more ravenous sixgills arrive.
Like most squid, they're voracious hunters.
manage to survive on the miniscule amount of food that drifts down here.
we enter an unforgiving world.
to the uppermost limit of the Twilight Zone,
attract inquisitive prey.
But, in fact, we find life here in unimaginable abundance.
But that is a strategy fraught with danger.
Next time, we travel to bustling coral reefs.
dwarfing the shrimps and squat lobsters that feed around them.
produce dazzling displays of light.
A decoy of luminous ink.
an oceanic whitetip shark.
are clearing away the last edible fragments.
gigantic cracks stretch for many miles across the ocean floor.
Over three quarters of the planet's volcanic activity
Its eyes are as big as tennis balls to help it see in the perpetual dusk.
Nor is such great abundance confined to Antarctic waters.