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1511things to do
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4things to do
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See tridacnain Cairns, Australia

#1of 4 things to doin Cairns

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Bright mantle and impressive size – look out for a bright tridacna on the sea bottom. It's not as difficult as it may seem at first glance.
How to see tridacna in Cairns
Tridacna, or the maxima clam, lives at a depth of up to 100 meters and in shallow waters, too. So even if you are not a professional diver, when swimming in the Great Barrier Reef you will see this amazing creature.

Tridacna is an amazing bivalve mollusk long-liver, whose age can reach 300 years. Its shell is huge – up to one and a half meter in length, which is not surprising, as the clams themselves are not too small either. The weight of some species can be over 300 kilograms!

The shell valves are always open revealing the bright mantle of the mollusk, which is often blue, turquoise, brown, yellow or green in color. Yet, the shell itself looks quite plain, plastered with small shells and seaweed.

The clam passes seawater through itself and filters it, since it feeds on small mineral particles and unicellular organisms.

The residents of Australia and Oceania use tridacna for food and carve some simple household items from its shells.

Where to do?

#1Great Barrier Reef in CairnsGreat Barrier Reef

A unique living eco-system - colourful fish, beautiful corals and thousands of large and small islands – all these things make up the Great Barrier Reef.

How much?

if you have your own gear and some diving experience, you can go diving the Great Barrier Reef absolutely free of charge. And if you are new in this type of activity, you have to contact one of the local diving center where you can get a qualification of a diver and then go on a diving tour (price from $430).

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Guest22 September 2019

More things to do in Cairns

#2Take a journey through the tropical forest on an old-fashioned train in CairnsTake a journey through the tropical forest on an old-fashioned trainoddviser

The journey through the rainforest, surrounded by mountains, is a sheer pleasure.

50Cairns Railway Station
#4Take a ride on the cableway over the tropical forest in CairnsTake a ride on the cableway over the tropical forestoddviser

A ride in a cabin with a transparent floor allows you to look at the landscape from a bird's eye view.

50Skyrail Rainforest Cableway
#3Diving the Great Barrier Reef in CairnsDiving the Great Barrier Reefoddviser

Grab your scuba gear and swim to the coral islands of the reef. Thousands of sea creatures are there for you to admire.

430Great Barrier Reef
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