David Tipling / Antarctic Krill (Euphausia superba) Antarctica, January

Bryan and Cherry Alexander / Edge of sea ice showing the reflection of the ice above and also the blue of the submerged ice. Antarctica, October 2006.

Hiroya Minakuchi / Underwater view of iceberg, Antarctic Peninsula, Antarctica

Hiroya Minakuchi / Ribbon Kelp (Durvillaea antarctica), Antarctica

Hiroya Minakuchi / Iceberg underside in water, Antarctica

Hiroya Minakuchi / Iceberg underside in water, Antarctica

Roberto Rinaldi / Diving in the ice cold waters, Antarctic Peninsula.