A family of clown fish I snuck up on while snorkeling at the Fish Bowl on Briggs Reef. This was on my first dive trip to the Great Barrier Reef.
This is cropped from a photo taken with a SeaLife DC800 with its integrated flash.

Nudibranch

Spotted Puffer Fish in the Coral Sea

Dive leader, Nick from Spoilsport.

Sweetlips at Osprey Reef

Anemone fish. Coral Sea.

Location: Lighthouse Bommie - Coral Sea
Camera: Canon A620 & Canon WP-DC90 housing with camera's flash
Two juvenile sharks resting in a cavern at 60' on Lighthouse Bommie.
Photo was cropped to remove bright foreground.

Dive leader, on the way to Fast Eddie's. Coral Sea.

Corals in black and white. Coral Sea

Diving along the wall in the Coral Sea.

Coral sea.

Anemonefish. Coral Sea.

Coral Sea

Lionfish on coral. Coral Sea.

Divers and trevally under the boat. Coral Sea. Canon G-10

Coral Sea. Canon G-10. Ikelite housing, strobes, dome.

Amazing corals in Coral Sea. Canon G-10. Ikelite housing, strobes and dome.

Coral Sea. Canon G-10, Ikelite housing, strobes and dome port.

Osprey Reef, Coral Sea.

Osprey Reef, Coral Sea. Canon G-10, Ikelite housing, strobes and dome.

Reef scene. Coral Sea. Canon G10, Ikelite housing, strobes and dome.

Coral Sea. Canon G-10.

Coral Sea. Shark Dive. Canon G-10.

Lionfish on coral. Canon G-10

Trevally. Canon G-10.

Osprey Reef, Coral Sea. Canon G-10, Ikelite Housing, strobes and dome.

Coral Sea. Canon G-10, Ikelite housing, strobes and dome.