Australia
Great Barrier Reef
Welcome to the ocean off Australia! The Great Barrier Reef is a dazzling underwater world built entirely by tiny living creatures.
Why is it famous?
It is the largest living structure on Earth, and you can even see it from space!
It is bursting with colorful fish, turtles, and coral.
How was it formed?
Tiny animals called coral polyps build hard skeletons that link together over thousands of years.
Generation after generation of coral grows on top of the last, slowly building the reef.
Amazing facts
It stretches over 1,400 miles long.
It is made of over 2,900 individual reefs.
Quick facts
- It stretches over 1,400 miles long.
- It is made of over 2,900 individual reefs.
- It is home to over 1,500 species of fish.
- It is the largest structure ever built by living creatures.