Animals known as tunicates which look like metre-tall glass tulips sit on the ocean floor at a depth of about 220 metres (722 feet) on the Antarctic continental shelf are shown in this handout image made available on February 19, 2008.

Brightly coloured coralline, bryozoans and sponges sit on the ocean floor at a depth of about 600 metres (1970 feet) on the Antarctic continental shelf are shown in this handout image made available on February 19, 2008. Scientists studying Antarctic waters have filmed and captured giant sea creatures and an unknown species of sea life.

Sponges, gorgonians and lace corals sit on the ocean floor at a depth of about 400 metres (1310 feet) on the Antarctic continental shelf in this handout image made available on February 19, 2008.