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The Great
Barrier Reef contains the world’s largest
collection of coral reefs, with 400 types of coral, 1,500
species of fish and 4,000 types of mollusc. It also holds
great scientific interest as the habitat of species such
as the dugong and the large green sea turtle. It is a
recognised World Heritage Area, protected for future
generations to
enjoy. |
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Clown fish
Clown
fish have a special relationship with the anemones that they
call
home, clown fish are not stung by the anemone's tentacles
and this helps to protect them from predators. In return
the clown fish helps keep the anemone clean.
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Sea
turtle
Sea
turtles are magnificent creatures that live in the ocean
and breathe air. Females only leave the sea to dig their
nest, laying around 150 -200 eggs in a deep sandy hole then
covering them up to incubate before returning to the sea.
When the hatchlings emerge they must dig their way out and
get to the ocean as fast as they can, it's a dangerous time
and many young turtles don't make it. If you're out at the
reef keep your eye out for turtles taking a breath of air
or swimming just under the surface of the water. |
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Whales,
dugongs and dolphins
Humpback
and Dwarf Minke whales visit the warm waters of the Coral
Sea during the winter months to breed and have their babies
before returning to the Southern Oceans for the summer months
to feed on krill and small fish.
Dolphins
are often seen in the warm tropical waters of the Great Barrier
Reef, these playful animals eat fish and travel in family
groups known as pods.
Dugongs
are large, slow moving, marine mammals that feed on the sea
grasses in the shallows. |
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Jellyfish
There
are several species of jellyfish found on the Great Barrier
Reef the two most prominent ones are the 'Box' jellyfish
and the 'Irukandji'. The Box jellyfish is one of the most
highly venomous creatures in the world. Both of these jellyfish
are transparent and use their long poisonous tentacles to
catch fish. If stung by a jellyfish it is important to treat
the sting with vinegar as soon as possible and seek medical
attention urgently. |
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Coral
Corals
look like plants but they are actually animals. What we
see as branches actually are whole colonies of coral animals.
Each animal, called a polyp, has a hard skeleton and a
soft body. What we sometimes see as flowers actually are
the tentacles with which they capture food from the water.
The
corals of the Great Barrier Reef come in many different
shapes, sizes and colours, some are hard and some are soft,
some are smooth and others are rough. The Great Barrier
Reef is the world's largest single structure made by living
things.
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Starfish
Starfish
sometimes known as 'seastars' have a hard body and two
stomachs! Some starfish eat coral, like the 'crown-of-thorns'
starfish, while others find their food in the sand eating
dead fish and small shell animals. They come in many different
shapes, sizes and colours and move slowly across the ocean
floor or are washed along with the waves.
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