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00:53:25
Sigourney Weaver, David Attenborough
13
Salps appear in the plankton soup.
The jawfish hides underground.
Shoals of yellow goatfish and trivali are seeking similar prey
But every year, a hundred thousand socotra cormorants gather here to breed.
The urchin plague strikes at the kelp's holdfast their crucial attachments to the rock.
Dugongs are the largest herbivores in the sea.
so they seek prey that is hiding in the nooks and crannies of the coral.
but these have now acquired an unexpected taste for blubber rich penguins.
Dugongs are the largest herbivore in the sea.
These shallows around the equator are excellent nurseries.
and the polyps feed by snaring passing morsel with their tentacles.
Perhaps this extraordinary pulsation of the clam's fleshy mantle
but bottlenose dolphins are inquisitive, energetic,1 and very intelligent
Reefs are the work of polyp
Fur seals normally live on krill
Five million shearwater have flown almost ten thousand miles from Australia to get here.
to find a crowded bustling colony of seabird
But every year, a hundred thousand socotra cormorant gather here to breed.
The predator extrudes it's stomach, and wraps it around it's victims liquefy their soft parts.
The predator extrude it's stomach, and wraps it around it's victims liquefying their soft parts.
Their bite is highly venomous and paralyze their victims.
which they excavate with their mobile lips.
These upwellings fertilize forests of giant kelp, that thrive in the summer sunshine.
where life proliferate so abundantly on our planet.
in sandy shallows bathe by the warmer Agulhas Current.
In winter, the temperate seas are lash by violent storms.
They too flourish in this seasonal soup
Millions of invertebrates invade the seabed.
Corals thrive in these waters with the help of microscopic plants, algae
Huge shoals migrate from their overwintering grounds in the depths
By midsummer, the surface nutrients have all been absorb.
that are buried in the sand.
The big fish scare the prey into cracks and there the snakes can catch them
Sand whip up by Shamals offshore winds
The Benguela Current sweep along the western coastline of Southern Africa
Our planet's continents are fringe by shallow seas.
The fish are tantalizingly close
Add sunshine and the mix is spectacularly productive.
So, paradoxically, it's the roasted sands of Arabia that prevent the gulf
where life proliferates so abundantly on our planet.
The aptly named ragged tooth shark.
Vigorously pumping their tails, they work up some speed
Food is not evenly distributed in the tropical shallow seas
and seemingly delight in doing so.
he is nonetheless vulnerable.
Younger dolphins lie alongside, watching
There's nowhere to hide.
Individually the algae are tiny
Rarely more than two hundred meters deep they lie on the continental shelves
This hardly seems a good place to rear young
these crystal clear waters are virtually lifeless.
Fish and krill stocks are declining so rapidly
The jawfish hides underground.
The Californian upwellings are seasonal and relatively small
These are chok squid, and they lay their egg capsules
Being flightless, the returning penguins must cross the open beach on foot.
A gurnard. It's huge pectoral fins disguise it's shape
for only these waters contain sufficient food necessary to fuel such a ravenous predator.
They're eaten by an array of bewildering creatures.
The most fearsome predator here is a giant.
Their bite is highly venomous and paralyzes their victims.
but bottlenose dolphins are inquisitive, energetic,1 and very intelligent
but they have razor sharp bills and a feisty character.
where incessant gale force winds draw nutrients up from the depths
Dusky dolphin, often in pods two hundred strong
They're pygmy sea horses, the world's smallest, less than two centimeters high.
and males still preoccupied with repelling rivals, the squid drop their guard.
With the retreating ice, rough weather and ferocious currents stir up these shallow seas.
The algal towers are as high as a three story house
Perhaps this extraordinary pulsation of the clam's fleshy mantle
Coral reefs are oases in a watery desert.
to find a crowded bustling colony of seabirds