Australia | Coral Reef

As we move further up the west coast of Australia, and approach the Tropic of Capricorn, corals are more in evidence, and start to form reefs. The coral reef is a very different ecosystem from that of the cold waters of the south. The coral reef is like a gigantic self-contained organism, in which energy passes from one layer to the next, with just two essential ingredients - the sun and the sea. The corals are specialists in poor waters like these, provided they are clear. ▶ SUBSCRIBE!