According to fossil records, which date back 50 million years ago, multiple species of seacow once existed together.

There may be many similarities between the importance of large predators in marine and terrestrial environments.

The “turtle and dugong capital of the world”, the northern Great Barrier Reef (GBR) and Torres Strait region, faces increased pressure under climate change from human actions such as fishing, hunting, onshore development and pollution.

By David Lukas By David Lukas Lonely Planet Yes it's true that Western Australia's Shark Bay has sharks, but don't let the name scare you away -- Shark Bay is one of the world's great natural wonders.

By Debra Chong SEAHORSES are fast disappearing and not just into the cooking pot. DEBRA CHONG joins the Save Our Seahorses brigade for a day and learns what's at stake. "There used to be seahorses a-plenty here. We used to catch and sell them to Singapore, 50 sen for one.