There are about thirty different types and sizes of goanna available in the world. However, Australia along has got more than 20 goanna species. The largest size of goanna is native to Australia. Except for Tasmania, all the other states of Australia have Various types of goannas. They accustomed to surviving in varied climate conditions. In Australia, the blue tongue goanna is very popular. It is widely seen in Northern territory.
Colors include black, orange, rust, yellow, brown, turquoise, red and white.