Gary Bell/ Oceanwide / Leopard Flounder (Bothus pantherinus) camouflaged on ocean floor, Anilao, Philippines

Alex Mustard / Peacock flounder (Bothus lunatus) resting on the seabed, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Wild Wonders of Europe / Banfi / Wide-eyed flounder (Bothus podas) on seabed, Marine Reserve, Monaco, Mediterranean Sea, July 2009

Fred Bavendam / Flowery Flounder (Bothus mancus) camouflaged against Coral, Lembeh Strait, Indonesia

John Downer Productions / Peacock flounder attempts to simulate the squares of chessboard (Bothus lunatus) - Resolution restriction due to image digitised from film - 'Weird Nature' BBC tv series.

Pascal Kobeh / Wide-eyed flounder (Bothus podas) on the sandy bottom, Canary Islands

Pascal Kobeh / Wide-eyed flounder (Bothus podas) on the sandy bottom, Canary Islands

Pascal Kobeh / Close-up of Peacock flounder (Bothus mancus), Sulu sea, Philippines

Pascal Kobeh / Wide-eyed flounder (Bothus podas) on a sandy bottom, Azores, Atlantic ocean.

Georgette Douwma / Leopard flounder fish (Bothus pantherinus) camouflaged on sand. North Sulawesi, Indonesia.

David Fleetham / Divers and Peacock flounder (Bothus mancus) off the Island of Lanai, Hawaii. December 2013.

David Fleetham / Flatfish in larval stage, probably a peacock flounder (Bothus mancus),at night, several miles off the Kona Coast of the Big Island, Hawaii.