Australia is the sixth largest country in the world. It's about the same size as the 48 mainland states of the USA and 50 per cent larger than Europe, but has the lowest population density in the world - only two people per square kilometre.
by ausscuba
Lisa took this photo when swimming fin to fin for around twenty minutes with the turtle around coral gardens at Flinders Reef, Moreton bay, Queensland. The photo was taken on an Olympus c50 digital camera.
by John Natoli
Nudibranch at Blue Pools off Heron Island, QLD. (Halgerda aurantiomaculata - Mike Miller)