Alex Mustard / Diver swimming over the stern gun turret of the 330ft long Russian frigate 356, the "MV Keith Tibbetts". The ship was built in 1984 and sunk in 1996. Buccaneer Reef, Cayman Brac, Cayman Islands. Carib...

Roberto Rinaldi / Stern of crude oil super-tanker "Milford Haven", which sank on April 14th, 1991 after three days of fire. Genoa, Italy, 2007.

Franco Banfi / Shoal of Greybar grunt (Haemulon sexfasciatum), under the stern of the Salvatierra wreck, Sea of Cortez, Baja California, Mexico, East Pacific Ocean

Bertie Gregory / Divers investigate the stern of the SS Carnatic Shipwreck, Abu Nuhas reef, northern Red Sea, December 2014

Alex Mustard / Stern of the USS Kittiwake wreck. Seven Mile Beach, Grand Cayman, Cayman Islands, Caribbean Sea.

Philip Stephen / Net full of fish being hauled aboard the Hull registered stern trawler 'Farnella' on the North Sea, November 2013. All non-editorial uses must be cleared individually.

Philip Stephen / Gulls flocking as fishing net is hauled on board the stern trawler 'Farnella' on the North Sea, November 2013. All non-editorial uses must be cleared individually.

Alex Mustard / Upturned stern of Dunraven wreck. Beacon Rock, Sinai, Egypt. Red Sea, July 2013.

Flip Nicklin / Researcher Jonathan Stern, Ph.D., of Golden Gate Cetacean Research reviewing Harbor Porpoise (Phocoena phocoena) id images, California

Franco Banfi / Scuba diver and Forkbeard (Phycis phycis) on Teti wreck, Vis Island, Croatia, Adriatic Sea, Mediterranean

Michael Pitts / Wreck of the cargo ship 'Iouna'. Diver and ships stern with navigation light still attached on rail. Wrecked between 1912-1918. Sharmo reef, Yanbu, Saudi Arabia, July 2010

Michael Pitts / Wreck of the 'Iouna'. Diver at the ships stern - probably the bosuns store. Wrecked between 1912-1918. Sharmo reef, Yanbu, Saudi Arabia, July 2010