Shane Gross / Larval flounder (possibly Laeops Kitahara) in the open ocean at night off Anilao, Philippines.

Sue Daly / Close up of the face of a Brill (Scophthalmus rhombus), swims out of frame, Sark, British Channel Islands, UK, August.

Sue Daly / Brill (Scophthalmus rhombus) camouflaged on the seabed, Sark, British Channel Islands, UK, August.

Sue Daly / Close up of a Plaice (Pleuronectes platessa), swims away, Sark, British Channel Islands, UK, June.

Solvin Zankl / Flatfish (Bothidae sp) larva, Atlantic Ocean off Cape Verde. Captive.

Alex Mustard / Eyes of Margined sole fish (Brachirus heterolapis) on its camouflaged body. Saonek Island, Raja Ampat, West Papua, Indonesia. Tropical West Pacific Ocean. Dampier Strait.

Alex Mustard / Lemon sole (Microstomus kitt) portrait. Gardur, south west Iceland. North Atlantic Ocean

Flip Nicklin / Flatfish (Pleuronectiformes) camouflaged on ocean floor, California

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

Shane Gross / Larval flounder (possibly Laeops Kitahara) in the open ocean at night off Anilao, Philippines.