All language subtitles for Great.Blue.Wild.Series.1.02of11.Cocos.Island.1080p.HDTV.x264.AAC.MVGroup.org.eng

COCOS ISLAND.

A REMOTE
AND UNTAMED MARINE RESERVE,

IN THE WILD BLUE WATERS
OF THE SOUTHEASTERN PACIFIC.

RINGED BY ONE OF THE WORLD'S
RICHEST CORAL REEFS.

COCOS IS A HOLY GRAIL FOR DIVERS
AND UNDERSEA EXPLORERS.

DEEP, DISTANT WATERS
EXPLODE WITH LIFE,

STRANGE CREATURES.

MONSTER SCHOOLS OF FISH

AND POWERFUL APEX PREDATORS.

AN ASTONISHING JOURNEY
DEEP INTO AN UNDERWATER REALM

BEYOND THE EDGE OF LIGHT.

NIGHT TIME AT COCOS BELONGS
TO THE HUNTER.

HUNGRY ARMIES OF WHITETIPS
SCOURING THE REEFS

AS THEY'VE DONE FOR THOUSANDS
OF YEARS,

HERE, ON THIS MAGNIFICENT
"ISLAND OF THE SHARKS".

(♪♪♪)

(♪♪♪)

(♪♪♪)

(♪♪♪)

(♪♪♪)

(♪♪♪)

COCOS ISLAND.

A DISTANT AND
PRISTINE NATIONAL MARINE PARK.

IN THE WILD BLUE WATERS
OF THE SOUTHEASTERN PACIFIC.

MORE THAN 300 MILES
OFF THE SHORE OF COSTA RICA.

UNINHABITED BY HUMANS,

SHROUDED IN THICK SWIRLS
OF MIST.

ITS TOWERING FORESTS
AND CASCADING WATERFALLS.

TEEM WITH WILDLIFE.

MORE THAN 100 SPECIES
OF BIRDS PERCH

ON ITS RUGGED PEAKS.

(♪♪♪)

THE LEGENDARY OCEANOGRAPHER
JACQUES COUSTEAU CALLED COCOS

"THE MOST
BEAUTIFUL ISLAND IN THE WORLD".

COCOS ISLAND IS A
VERY PARTICULAR ISLAND,

BECAUSE IT'S A
COMPLETELY GREEN

UNTOUCHED RAINFOREST.

ALL THE OTHER ISLANDS
ARE JUST ROCKSl

THAT COME OUT OF THE OCEAN.

AND THEN YOU ARRIVE TO COCOS

AND YOU'RE SUDDENLY IN THE
ISLAND OF ROBINSON CRUSOE,

OR YOU'RE IN THE ISLAND
OF JURASSIC PARK.

THE TIP OF
AN ANCIENT VOLCANIC MOUNTAIN

COCOS IS BELIEVED TO BE THE
INSPIRATION FOR ISLA NUBLAR.

THE FICTIONAL SETTING
OF JURASSIC PARK.

ISLA NUBLAR MEANS
"CLOUDY ISLAND",

AND COCOS IS HOME
TO THE EASTERN PACIFIC'S

ONLY TROPICAL RAIN FOREST.

LIKE JURASSIC PARK

COCOS LOOKS AND FEELS
LIKE A LOST WORLD.

PRIMITIVE.

FAR FROM LAND.

THE ONLY WAY TO DIVE HERE
IS FROM LIVE ABOARD BOATS

THAT MAKE THE 36 HOUR JOURNEY
FROM THE MAINLAND.

COCOS IS A VERY UNIQUE PLACE.

I MEAN ALONE HEARING THE NAME
COCOS SHOULD GIVE YOU GOOSEBUMPS

BECAUSE IT'S JUST A LEGEND
AMONG IN THE DIVING WORLD.

[BOAT ENGINE REVVING]

DEEP CURRENTS CRASH
INTO A STEEP SEAMOUNT.

PUSHING WATER TOWARD THE
SURFACE.

THESE CURRENTS,
RICH IN NUTRIENTS,

ATTRACT SCHOOLS OF FISH,
WHICH IN TURN ATTRACT

LARGER PREDATORS,

SHARKS.

MORE THAN ANY PLACE
ON THE PLANET

COCOS IS A KINGDOM OF SHARKS.

IN ANY DIVE AT COCOS ISLAND
YOU'RE GUARANTEED TO SEE SHARKS.

WE HAVE WHITETIP SHARKS
ALL OVER THE PLACE.

WE HAVE GALAPAGOS SHARKS
IN DIFFERENT PLACES.

THAT'S WHY WE CALL
COCOS ISLAND,

"THE ISLAND OF THE SHARK".

WHITETIPS,

ONE OF THE ISLAND'S
SMALLER SHARK SPECIES,

NAVIGATE THE SEAMOUNT.

(♪♪♪)

(♪♪♪)

WHITETIPS ARE PRIMARILY
NOCTURNAL CREATURES,

ABLE TO BREATHE
WHILE STATIONARY.

BY PULLING IN OXYGENATED WATER
THAT FLOWS OVER THEIR GILLS.

THIS SHARK WILL REMAIN STILL
FOR MUCH OF THE DAY,

PRESERVING PRECIOUS ENERGY

REQUIRED FOR
ITS NIGHT TIME HUNT.

IN A FLASH

THESE SMALL REEF FISH
DART FOR SAFETY.

SIGNALING THE PRESENCE
OF A PREDATOR,

THE HAMMERHEADS HAVE ARRIVED.

DRAWN HERE BY CLEANING STATIONS,
SPOTS ON THE ROCK

WHERE SMALL FISH REMOVE
PARASITES FROM LARGER CREATURES.

IF YOU'RE LOOKING TO SEE
HAMMERHEAD SHARKS,

YOU DEFINITELY HAVE
TO GO TO COCOS.

THE AMOUNT OF HAMMERHEADS IS
UNPARALLELED, HUNDREDS,

AND HUNDREDS, AND HUNDREDS OF
HAMMERHEAD SHARKS THERE.

(♪♪♪)

(♪♪♪)

YOU'RE DRIFTING
IN THE CURRENT IN MID WATER,

AND THEN YOU START SEEING WHITE
LINES COMING AT YOU,

WHITE LINES COMING AT YOU FROM
THE DEPTH, (UNCLEAR)

THAT IS THE HEAD
OF A HAMMERHEAD.

THAT'S THE FIRST THING THAT YOU
SEE.

YOU START SEEING WHITE LINES,

AND SUDDENLY YOU START SEEING
SILHOUETTES,

AND SUDDENLY YOU'RE SURROUNDED
BY SHARKS,

AND YOU KNOW THAT

IT'S JUST PREDATORS
AND PREDATORS EVERYWHERE.

EQUIPPED WITH TRIANGULAR,
SERRATED TEETH.

AS STRONG AND SHARP AS
THE BLADE OF A HACKSAW,

THE HAMMERHEAD IS AN
IMPOSING PREDATOR.

(♪♪♪)

(♪♪♪)

WHIPPING SWIFTLY,

FROM ONE DIRECTION TO ANOTHER
AS IT PROWLS THE OPEN OCEAN.

(♪♪♪)

(♪♪♪)

COMPARED TO ITS COUSIN,
THE WHITETIP SHARK

HAMMERHEADS
HAVE SPECTACULAR VISION.

EYES ON THE
VERY EDGE OF THE HAMMER

PROVIDE A PANORAMIC VIEW,
ALLOWING THE SHARK TO SEE PREY

FROM BOTH ABOVE
AND BELOW.

(♪♪♪)

BUT AN INCREASED RANGE OF
VISION ISN'T THE ONLY REASON FOR

THE SHARK'S WIDE,
MALLET SHAPED HEAD.

(♪♪♪)

LIKE ALL SHARKS,

HAMMERHEADS HAVE SENSORY ORGANS
IN THEIR SNOUT AND HEAD

THAT DETECT FAINT
ELECTRICAL CURRENTS

CREATED BY PREY.

(♪♪♪)

(♪♪♪)

SPREAD OVER THE BROAD
SURFACE AREA OF THE HEAD

THESE HIGHLY SPECIALIZED
SENSORS ALLOW THE SHARK

TO SCAN MORE OF THE OCEAN
FOR POTENTIAL PREY.

(♪♪♪)

(♪♪♪)

A SPOTTED EAGLE RAY,

A FAVORITE PREY FOR THE SHARKS
AT COCOS,

GLIDES OVER THE SEABED.

AS LONG AS A LIMOUSINE,

WITH A WING SPAN
OF UP TO 3 METERS,

EAGLE RAYS ARE THE GIANTS
OF COCOS ISLAND.

AT MORE THAN 440 POUNDS
THE LARGEST IS HEAVIER

THAN A SILVERBACK GORILLA.

(♪♪♪)

PROPELLED BY POWERFUL FLAPS
OF ITS WING LIKE PECTORAL FINS,

THE EAGLE RAY SOARS
OVER THE SEAMOUNT.

(♪♪♪)

A LONG WHIPLIKE TAIL,

EQUIPPED WITH TWO TO SIX
VENOMOUS BARBS

DEFENDS THE RAY
AGAINST PREDATORS

AND CAN
INFLICT SERIOUS INJURY

TO UNWARY DIVERS.

AS LONG AS WE RESPECT
THE DISTANCE,

THERE'S NO HAZARDS INVOLVED
IN ANY KIND OF RAY.

IN THE UNLIKELY EVENT
THAT YOU DON'T RESPECT

THE DISTANCE,
AND THE ANIMAL FEELS DANGER,

AND YOU'RE STING
BY A STINGRAY.

WELL, THAT'S ABSOLUTELY NOT A
PLEASANT FEELING.

BECAUSE THOSE STINGS ARE
QUITE BIG

AND CAN GET THROUGH YOUR FLESH
EASILY.

PLUS, THEY ARE POISONOUS,
THE WOUND CAN GET INFECTED

AND FOR SURE IT SHOULD BE
TREATED QUICKLY.

SPOTTED EAGLE RAYS
HAVE A HIGH BRAIN TO BODY RATIO.

AND ARE BELIEVED TO BE
HIGHLY INTELLIGENT CREATURES.

(♪♪♪)

(♪♪♪)

LIKE THEIR SHARK COUSINS, RAYS,
SUCH AS THIS ROUND RIBBONTAIL

ARE OUTFITTED
WITH SPECIALIZED NERVE CELLS

THAT ALLOW THEM TO PICK UP
ELECTRICAL CHARGES

FROM OTHER ANIMALS MOVING
IN THE WATER.

(♪♪♪)

PREY,
MAINLY MOLLUSCS,

CRUSTACEANS AND SMALL BONY FISH

ARE SCOOPED UP
FROM THE SEA BOTTOM.

BUT IN THE DEEP WATERS
OF THE OPEN OCEAN,

THE HUNTER BECOMES THE HUNTED.

SOMETIMES YOU FIND THESE
MARBLE RAYS

WITH MISSING PARTS
OF THEIR BODY,

AND YOU SEE THE VERY CLEAR SHAPE
OF A SHARK MOUTH

AS THEY CAME
AND THEY JUST GOT A QUICK BITE.

THE RAY SWAM AWAY WITH AN INJURY

AND SHARK JUST GOT A MORNING
SNACK OR AND AFTERNOON SNACK.

(♪♪♪)

(♪♪♪)

IN THE COVER OF DARKNESS
A WRAITHLIKE PREDATOR

EMERGES FROM THE SHADOWS.

THE MIGHTY GALAPAGOS SHARK.

PILLARS OF EVOLUTION,

MILLIONS OF YEARS IN THE MAKING.

THESE ANCIENT CREATURES
WERE FIRST DISCOVERED

IN THE WATERS
OFF THE GALAPAGOS ISLANDS.

10 FEET LONG,
BUILT LIKE A TORPEDO,

THE GALAPAGOS
IS A POWERFUL HUNTER,

ARMED WITH MORE
THAN A DOZEN ROWS OF

SAW LIKE TEETH
PACKED INSIDE A WIDE MOUTH.

THE GALAPAGOS SHARK
IS ONE OF THE BIGGEST SHARKS

WE HAVE ON THE ISLAND,

BUT AS LONG AS
YOU RESPECT THE ANIMAL,

THE ANIMAL RESPECTS YOU.

WE KNOW THAT THEY HUNT RAYS.

THEY ALSO SOMETIMES
EAT WHITETIP REEF SHARKS.

AND WE'VE SEEN THAT IN DAYTIME,
AND WE'VE SEEN IT AT NIGHT-TIME.

WHEN YOU SEE THAT THEN YOU DON'T
FEEL THE RESPECT ANYMORE,

YOU FEEL JUST PURE FEAR.

SUDDENLY NATURE GOES
INTO A CHAOS

THAT MIGHT LAST 10 SECONDS, 20
SECONDS, VERY BRIEF,

BUT IT'S AN EXPERIENCE THAT
MAKES YOU A DIFFERENT PERSON.

AFTER THAT YOU'RE NOT
THE SAME PERSON ANYMORE.

THOUGH DANGEROUS

GALAPAGOS SHARKS
RARELY ATTACK HUMANS.

WHEN THREATENED,

THE SHARK ARCHES
ITS POWERFUL BACK.

LOWERS ITS PECTORAL FINS,

AND SWIMS IN LOOPS OF
FIGURE EIGHTS.

A CLASSIC THREAT DISPLAY.

EVEN AS AN EXPERIENCED DIVER,

BEING APPROACHED
BY A BIG SHARK AT NIGHT

MAKES YOU LOOK TWICE.

YOU'RE NOT AS RELAXED
AS IN DAYTIME.

BUT IT'S CERTAINLY SOMETHING

THAT WILL GIVE ANY DIVER
ADRENALINE,

BEING APPROACHED BY A BIG SHARK
AT NIGHT

BECAUSE NIGHT IS THE TIME
WHEN THEY HUNT, WHEN THEY EAT,

AND YOU KNOW THAT,
AND THIS KNOWLEDGE

WILL KEEP
YOUR ADRENALINE UP.

I CAN GUARANTEE THAT.

WITH NO THREAT,

AND NO POTENTIAL PREY ON OFFER,

THE GALAPAGOS DISAPPEARS
INTO THE DARKNESS,

GRIPPED BY AN ENDLESS SEARCH
FOR FOOD.

(♪♪♪)

(♪♪♪)

BUT AS NIGHT FALLS
ON COCOS ISLAND,

LIFE IN THE OCEAN UNDERGOES
A PROFOUND TRANSFORMATION.

THE GALAPAGOS SHARK
IS NOT THE ONLY HUNTER

LURKING IN THESE DARK WATERS.

NIGHT TIME HERE
BELONGS TO THE WHITETIPS.

(♪♪♪)

HUNDREDS OF WHITETIP SHARKS.

THE NIGHT DIVE AT COCOS
IS REALLY SOMETHING SPECIAL

BECAUSE YOU'RE SURROUNDED
BY HUNDREDS OF HUNTING

WHITETIP REEF SHARKS.

THEY'RE AGITATED
AND THEY WANT TO EAT,

AND WELL, YOU'RE JUST
IN THE MIDDLE OF THEM.

EVERYTHING IS HAPPENING SO FAST,
AND SOMETIMES YOU

JUST DON'T KNOW WHERE TO LOOK.

(♪♪♪)

A HUNGRY ARMY OF WHITETIPS
ASSEMBLES OVER THE OCEAN FLOOR.

(♪♪♪)

WHEREAS IN THE DAY,

THESE SHARKS LAY RESTING
IN CAVES

OR SWIMMING CALMLY
OVER THE REEF,

AT NIGHT THEY ARE AGGRESSIVE.

POKING THEIR BROAD HEADS INTO
HOLES IN THE CORAL.

TO FLUSH OUT SMALL CRUSTACEANS
AND BONY FISH.

(♪♪♪)

TOUGH SKIN,

PROTECTIVE EYE RIDGES,
AND SLENDER BODIES

ALLOW THE SHARKS TO FORCE
THEIR WAY INTO CREVICES.

(♪♪♪)

WHITETIPS ARE SLOW SWIMMERS,

AND PREFER TO HUNT AT NIGHT
WHEN MOST PREY ARE SLEEPING.

(♪♪♪)

(♪♪♪)

A SHARK ZEROES IN ON THE KILL,

BUT IS BEATEN TO ITS PREY
BY A LARGE BLACK JACK

THAT HAS JOINED THE HUNT.

SWIFT AND AGILE,

BLACK JACKS HOVER
AROUND WHITETIPS

IN THE HOPE OF
SCOOPING UP THE SMALL FISH

FLEEING THE SHARKS
THAT SCOUR THE REEF.

AS THE SHARKS SWARM
A SPINY LOBSTER MARCHES

ALONG THE OCEAN FLOOR,
SEARCHING FOR A QUIET SPOT.

AWAY FROM THE FEEDING FRENZY.

(♪♪♪)

LOBSTERS VENTURE OUT
FROM THEIR BURROWS AT NIGHT

SEEKING SNAILS,
CLAMS AND SEA URCHINS.

ALTHOUGH IT LACKS
THE CRUSHING PINCERS

OF ITS CLAWED COUSINS.

THE SPINY LOBSTER IS ARMED WITH
LONG, BARBED ANTENNAS,

THAT ARE WAVED ABOUT TO
FEND OFF APPROACHING PREDATORS.

THIS ONE IN PARTICULAR
IS LEFT ALONE BY THE SHARKS.

FINALLY,

THE LOBSTER FINDS A PEACEFUL
ENCLAVE,

FAR REMOVED FROM THE FRENZY
OF THE SHARK HUNT.

MEANWHILE,
A GUINEAFOWL PUFFER,

LACED WITH NATURAL TOXINS
THAT MAKE IT UNAPPETIZING

TO MOST PREDATORS,
ATTEMPTS TO STEER CLEAR

OF THE HUNGRY SHARKS.

A SLOW SWIMMER,
THE PUFFER COMPENSATES

BY BEING A MASTER
OF SELF DEFENSE.

NOT JUST HIGHLY TOXIC,

IT IS ABLE TO BLOW UP
LIKE A BALLOON,

TWO TO THREE TIMES
ITS NORMAL SIZE

BY INFLATING
ITS ELASTIC STOMACH

WITH WATER OR EVEN AIR.

SIMPLY BY ENLARGING ITSELF

THE PUFFER BECOMES HARD
TO SWALLOW,

AND IS ABLE TO SUCCESSFULLY
FEND OFF POTENTIAL PREDATORS,

MAINLY LARGER FISH.

SOME PUFFER FISH ARE CLOAKED
IN SHARP SPINES

THAT BECOME FURTHER EXPOSED,
THAN MORE DANGEROUS TO HUNTERS

WHEN THE FISH INFLATES.

A PREDATOR THAT DOES MANAGE
TO SINK ITS TEETH

INTO A PUFFER BEFORE
IT ENLARGES

MAY GET A MOUTHFUL
OF TETRODOTOXIN.

A POWERFUL
AND FOULTASTING NEUROTOXIN

THAT CAN INCAPACITATE,
OR EVEN KILL, OTHER FISH.

TO HUMANS,
TETRODOTOXIN IS EVEN DEADLIER.

A THOUSAND TIMES MORE POISONOUS
THAN CYANIDE.

THE TOXIN IN ONE PUFFER FISH

IS ENOUGH TO KILL
AS MANY AS 30 HUMANS.

THE SHARKS APPEAR UNINTERESTED.

A BOXFISH,

ITS BODY ENCASED IN HARD,
SHELLLIKE PLATES,

ROWS ALONG THE OCEAN FLOOR.

(♪♪♪)

LIKE PUFFER FISH
BOXFISH CONTAIN TOXINS,

WHICH CAN BE SECRETED
INTO A WATER.

AN EFFECTIVE DEFENSE
AGAINST PREDATORS.

SUCH AS SHARKS.

FORTUNATELY FOR THE WHITETIPS

THERE ARE OTHER OPTIONS
ON OFFER

AND THEY CONTINUE TO
CROWD THE REEF,

IN AN ATTEMPT TO DRIVE PREY
FROM THE CORAL.

(♪♪♪)

SUCCESS.

(♪♪♪)

(♪♪♪)

(♪♪♪)

IN THE DARK OF NIGHT

WHITETIPS DO NOT RELY ON VISION
TO HUNT FOR FOOD.

(♪♪♪)

INSTEAD, OTHER SENSES,
SUCH AS SMELL,

AND SMALL,
ELECTRICAL SENSING ORGANS

IN THE SNOUT CALLED
AMPULAE

WORK TOGETHER TO DETECT PREY.

(♪♪♪)

OCCASIONALLY, TWO SHARKS WILL
LATCH ON TO THE SAME FISH,

RESULTING IN A
SCRAPPY TUG-OF-WAR.

(♪♪♪)

EVEN WHEN HUNGRY AND AGITATED

WHITETIP SHARKS ARE HARMLESS
TO HUMANS UNLESS PROVOKED.

(♪♪♪)

BUT DIVERS STILL NEED
TO KEEP THEIR DISTANCE,

WHEN THE SHARKS ARE HUNTING
THEIR TINY PREY.

IF YOU GET TOO CLOSE
TO THE BOTTOM,

THOSE LITTLE FISHES CAN HIDE
IN BETWEEN YOUR EQUIPMENT,

SO ALL THE OTHER WHITETIP
REEF SHARKS WILL COME

AND YOU KNOW, THEY'LL BITE
WHATEVER THEY FEEL,

AND YOU CAN GET BITTEN
BY A WHITE TIP REEF SHARK

IF YOU'RE NOT CAREFUL.

THE SHARKS MOVE SYSTEMATICALLY
OVER THE REEF,

VIOLENTLY TWISTING AND TURNING

TO JAM THEIR HEADS INTO EACH
CRACK AND CREVICE

IN A RELENTLESS SEARCH FOR FOOD.

(♪♪♪)

IT IS A FURIOUS SPECTACLE

THAT HAS PLAYED OUT
IN THIS LOST WORLD

EVERY NIGHT,
FOR THOUSANDS OF YEARS.

BUT IN THE DARKENED DEPTHS OFF
COCOS ISLAND.

THERE ARE MORE BEWILDERING
SIGHTS TO BEHOLD.

HERE ABOARD THE ARGO
IS A CUSTOM BUILT,

ONE ATMOSPHERE
SUBMERSIBLE,

CALLED THE DEEPSEE

'WE ARE READY NOW.

OKAY TOPSIDE, WE'RE LOOKING GOOD
ON THE SURFACE.'

THE DEEPSEE IS CAPABLE
OF DESCENDING

TO A DEPTH OF 1400 FEET.

TO DIVE SO FAR
BELOW THE SURFACE,

THE DEEPSEE'S ACRYLIC SPHERE,
FOUR INCHES THICK,

MUST WITHSTAND
THE HIGH PRESSURE FROM

COCOS ISLAND'S DEEPEST WATERS.

AT 1400 FEET BELOW,

WATER EXERTS 90 TIMES
THE PRESSURE ON THE BODY

AS AIR DOES ON THE SURFACE.

IT IS THE EQUIVALENT OF
THE WEIGHT OF A POLAR BEAR

BALANCED ON YOUR CHEST.

TODAY, THE DEEPSEE HAS VENTURED
TO A DEPTH OF 1,000 FEET.

AS FAR BELOW THE SURFACE

AS THE TIP OF
THE EIFFEL TOWER IS ABOVE IT.

IT IS A JOURNEY DEEP INSIDE
A SUBMERGED KINGDOM,

FEW HAVE SEEN BEFORE.

WE HAVE THE BEST PLAYGROUND IN
THE WORLD TO TEST THE SUBMARINE.

THE MOMENT WE BROUGHT
THE SUBMARINE TO COCOS ISLAND

A WHOLE NEW WORLD WAS UNVEILED.

AND SUDDENLY WE FOUND OUT

THAT COCOS ISLAND IS A
COMPLETELY DIFFERENT WORLD

ONCE WE GO
INTO THE DEEP WATER.

DEEP WITHIN THE COLD,
DARK ABYSS,

MYSTERIOUS,
GLOWING CREATURES APPEAR.

SIPHONOPHORE.

WHAT APPEARS TO BE
A SINGLE ANIMAL,

RESEMBLING A JELLYFISH

IS ACTUALLY A COLONY
OF SMALLER MARINE ANIMALS

CALLED "ZOOIDS".

UNABLE TO SURVIVE ON THEIR OWN

ZOOIDS WORK SO WELL
TOGETHER AS A TEAM

THAT THEY ARE ABLE TO FUNCTION
AS A SINGLE ORGANISM

PREYING ON SMALL ANIMALS.

THE GIANT SIPHONOPHORE IS ONE OF
THE WORLD'S LONGEST ANIMALS

REACHING UP TO 160 FEET.

THE LENGTH OF AN ENTIRE
OLYMPIC SIZED POOL.

HERE IN THE DARKNESS

ONE OF THE OCEAN'S MOST
IMPROBABLE CREATURES,

DRIFTS SERENELY IN THE CURRENT.

PYROSOME

THOUSANDS OF IDENTICAL
ZOOIDS FORM A HOLLOW STRUCTURE

WIDE ENOUGH FOR A HUMAN
TO SWIM INSIDE.

THE BRIGHT LIGHT EMITTED
BY A PYROSOME

CAN BE SEEN FROM A DISTANCE
OF 100 FEET.

(♪♪♪)

(♪♪♪)

DOWN HERE,

THE INVERTEBRATES
ARE NOT ALONE.

A PRICKLY SHARK,

ILLUMINATED BY THE LIGHT
OF THE SUBMERSIBLE,

INSPECTS THE CORAL.

EVEN IN THESE
DARKENED DEPTHS

SHARKS REMAIN EXPERT HUNTERS.

SIMILAR TO THOSE OF HUMANS,

SHARKS HAVE PUPILS
THAT WIDEN AND NARROW

ALLOWING LIGHT
TO STRIKE THE RETINA.

(♪♪♪)

RODS AND CONES LOCATED
IN THE RETINA

MAKE IT POSSIBLE
FOR THE SHARK

TO SEE COLOR AND DETAILS.

LIKE CATS,

SHARKS HAVE A MIRRORLIKE LAYER
OF CRYSTALSIN

IN THE BACK OF THE EYE.

THAT BOOSTS
THE INTENSITY OF LIGHT,

IMPROVING THEIR EYESIGHT
IN THESE DEEP, DARK WATERS.

COMPARED TO SHARKS
THAT HUNT IN SUNLIGHT

NEAR THE SURFACE

SOME DEEP WATER SHARKS
HAVE BIG EYES,

ALLOWING THEM TO PICK UP
THOSE SHARDS OF LIGHT

THAT PENETRATE THE DARKNESS.

AT 1000 FEET BELOW
THE SURFACE ,

WHAT DIVERS CALL
"THE TWILIGHT ZONE",

SUNLIGHT BARELY PENETRATES
THE WATER.

BUT IN THE DISTANCE
A FOUNT OF LIGHT BLEEDS

INTO THE DARKNESS.

THE FRIED EGG JELLYFISH.

HYPNOTIC,
AS GRACEFUL AS A BALLET DANCER.

THE JELLYFISH MOVES
IN SLOW MOTION TO COMPENSATE

FOR THE LACK OF OXYGEN
IN THESE DEEP WATERS.

FRIED EGG JELLYFISH FEED
ON SMALLER ZOOPLANKTON,

STINGING THEIR PREY
WITH TENTACLES,

THAT STRETCH UP TO 20 FEET.

95 PERCENT
OF ITS TISSUE IS WATER.

THE JELLYFISH EXISTS IN,
AND IS PART OF,

THE OCEAN.

THE DARK,
DEEP WATERS OFF COCOS ISLAND

PROVIDE A HABITAT
FOR RARE AND ALIEN CREATURES

SELDOM SEEN BY HUMANS.

NEARLY TRANSPARENT,
THE GLASS OCTOPUS

IS NOT ABLE TO CHANGE COLOR
LIKE MANY OF ITS COUSINS.

A TRANSLUCENT,
ALMOST COLORLESS BODY

MAKES IT LESS VISIBLE
TO PREDATORS.

ELONGATED EYES
LIMIT PERIPHERAL VISION,

BUT MAY MINIMIZE THE
SILHOUETTE OF THE EYE

WHEN SEEN FROM BELOW.

FURTHER AIDING ITS CAMOUFLAGE.

BECAUSE THEY ARE RARELY SEEN,

LITTLE IS KNOWN ABOUT
THE GLASS OCTOPUS

OR INDEED MANY OF THE

CREATURES THAT EXIST IN THE
DEEP SEA ECOSYSTEMS

BEYOND THE EDGE OF LIGHT.

IN THE SUNLIT WORLD ABOVE
A MORE FAMILIAR CREATURE

APPROACHES A DROWNED
VOLCANIC PEAK,

WARMING ITSELF
NEAR THE SURFACE WATER.

THE GREEN SEA TURTLE.

(♪♪♪)

(♪♪♪)

(♪♪♪)

WITH A NORMAL WEIGHT RANGE
OF THREE TO FOUR HUNDRED POUNDS,

GREEN SEA TURTLES ARE THE SECOND
LARGEST SPECIES OF SEA TURTLE.

LIVING UPWARDS OF 50 YEARS,

THESE CREATURES HAVE ROAMED
THE OCEAN

FOR MORE THAN 100 MILLION YEARS.

WHEN YOU FIND A TURTLE

YOU'RE LOOKING AT THE HISTORY
OF THE OCEAN.

YOU SEE THE TURTLE IN THE EYE,

THE TURTLE WILL LOOK AT YOU
IN THE EYE

AND THEN YOU SEE THE DEPTH.

IT'S LIKE YOU'RE
LOOKING INTO KNOWLEDGE,

INTO EXPLORATION,
INTO EXPERIENCES.

YOU'RE LOOKING AT AN ANIMAL
THAT MIGHT BE OLDER THAN YOU.

SO IT'S SOMETHING
THAT REALLY CONNECTS YOU WITH

THE HISTORY OF THE OCEAN.

THE GREEN SEA TURTLES FEASTS
ON A SEA CUCUMBER.

(♪♪♪)

MIGRATORY CREATURES,

GREEN SEA TURTLES
TAGGED AT COCOS

HAVE BEEN FOUND AS FAR AFIELD AS
THE COSTA RICAN COAST.

MORE THAN 300 MILES AWAY.

THEY'VE SURVIVED IN THE OCEAN
FOR MILLENNIA.

BUT GREEN SEA TURTLES ARE NOW
LISTED AS AN ENDANGERED SPECIES,

THREATENED BY HUNTING,

BOATING ACCIDENTS

AND THE DESTRUCTION
OF THEIR NESTING GROUNDS.

LIKE THE SEA TURTLE
COCOS ISLAND PLAYS

AN ESSENTIAL PART
IN THE STORY OF THE OCEAN.

FORMED BY A VOLCANIC UPHEAVAL.

MORE THAN TWO MILLION YEARS AGO,

COCOS IS SURROUNDED
BY SUBMARINE MOUNTAINS

AND SPECTACULAR
UNDERWATER CATHEDRALS.

THE MAGNIFICENT ARCH
AT BIG DOS AMIGOS.

RISING 40 FEET OFF
THE SANDY OCEAN FLOOR.

THE ARCH IS A SWIM THROUGH
WIDE ENOUGH

TO FIT A DOZEN DIVERS,

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AND PROVIDES SHELTER FOR
A MYRIAD OF FISH,

BLACKNOSE BUTTERFLIES

AND CROWDS OF
BLUE AND GOLD SNAPPER.

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BUT THE SHOALS OF FISH
AT BIG DOS AMIGOS

ARE DWARFED
BY ONE OF COCOS ISLAND'S

MOST ASTONISHING SCENES,

BIGEYE TREVALLY,
IN THEIR THOUSANDS.

SWIRLING LIKE A THICK,
SILVERY TORNADO

BLOTTING OUT THE SUN.

TREVALLY, OR JACKS,

TRAVEL IN TIGHTLY ORGANIZED
SCHOOLS TO CONFUSE PREDATORS.

PICKING OUT INDIVIDUAL PREY
FROM A TWISTING,

SHINING MASS IS NOT AN EASY TASK
FOR A VISUALLY ORIENTED HUNTER.

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SWIMMING IN UNISON

THE FISH MAY APPEAR
AS A SINGLE LARGE CREATURE

TO WOULD BE PREDATORS.

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FROM A DISTANCE

THIS SCHOOL APPEARS TO BE THE
SIZE AND SHAPE OF A PILOT WHALE.

ONCE YOU GO DIVING UNDER
THAT SCHOOL,

OR IN BETWEEN THAT SCHOOL,
SUDDENLY IT'S LIKE NIGHT TIME.

THE LIGHT DOESN'T
PENETRATE THE INCREDIBLE

AMOUNT OF FISH.

YOU'RE SILENTLY SURROUNDED.

AND IF YOU'RE EVER LUCKY
TO BE THERE IN THE CENTER,

AND THEN SOME OTHER PREDATOR
COMES BY

AND SCARES THE JACKS,

THEY'LL ALL SWIM IN
ONE SINGLE DIRECTION,

YOU CAN HEAR AND FEEL
THE MOVEMENT WAVE.

THEY START SWIMMING AND
THEN YOU GET THAT

'BOOM' AROUND YOU,
IT'S COMPLETELY AMAZING.

PRECISELY SPACED,

MOVING AT THE SAME SPEED
AND IN THE SAME DIRECTION,

THE TREVALLY TURN SWIFTLY
AND IN PERFECT HARMONY.

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THEN,

AS QUICKLY AS IT APPEARED,

THIS MESMERIZING SCHOOL
VANISHES

INTO THE DEEP BLUE WATER.

FROM MONSTER SCHOOLS OF FISH,

AND MAGNIFICENT HAMMERHEADS,

TO BEWILDERING
DEEP SEA CREATURES

AND RELENTLESS
NIGHT TIME HUNTERS.

COCOS ISLAND
IS A LOST WORLD IN THE PACIFIC

AND ONE OF THE MANY WONDERS OF
THE GREAT BLUE WILD.

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WE HAVE A SAYING
IN COCOS ISLAND,

"IF YOUR NECK IS NOT SORE,

THEN YOU HAVEN'T BEEN
TO COCOS ISLAND"

BECAUSE YOU'RE ALWAYS
LOOKING HERE, LOOKING THERE,

NONSTOP DURING THE WHOLE TIME
THAT YOU'RE UNDER THE WATER.

IT'S ALWAYS ACTION, ACTION,
ACTION GOING ON.

IT'S LIKE A PREHISTORIC PLACE.

THIS ISLAND IS UNTOUCHED,
IN THE MIDDLE OF THE OCEAN,

THERE'S THIS TINY ISLAND,
COVERED IN GREEN,

WITH WATERFALLS ALL AROUND,
CAVES, IT'S A BEAUTIFUL,

BEAUTIFUL PLACE TO SEE.

COCOS IS A MUST FOR ANY DIVER.

YOU HAVE SUCH A HUGE AMOUNT
OF SHARKS WITH YOU AT

NO OTHER PLACE.

YOU WANNA SEE SHARKS?

COCOS ISLAND IS ONE OF THOSE
SHARKY PLACES,

WHICH BECOME MORE AND MORE
RARE ON THE PLANET.

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COCOS ISLAND IS A ONCE
IN A LIFETIME OPPORTUNITY

FOR YOU TO SEE HOW LIFE
IN THE OCEANS WAS BEFORE

THE INFLUENCE OF MAN.

SO YOU'RE LIKE
IN A TIME MACHINE,

GOING BACK 200 YEARS IN TIME,
SEEING THE OCEANS UNTOUCHED.

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IT'S LIKE A LIBRARY.

WHEN YOU GO THERE IS
ALL THE KNOWLEDGE OF THE OCEAN.

IT'S ALL THE DIFFERENT ANSWERS
TO QUESTIONS

THAT WE HAVEN'T EVEN MADE YET.

SO IT'S SOMETHING
THAT MAKES YOU FEEL CONNECTED

TO THE NATURE.

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