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.

Jeff Rotman / Windowpane flounder (Scophthalmus aquosus) camouflaged on sandy seabed, Hodgekin's Cove, Massachusetts, USA, Atlantic Ocean.

Sue Daly / Close up of the eyes of a Brill (Scophthalmus rhombus), 2013 , Sark, British Channel Islands, UK, August.

Michael Pitts / Turbot (Scophthalmus maximus) North Atlantic. United Kingdom, November

Michael Pitts / Turbot (Scophthalmus maximus) detail of the eyes and mouth, United Kingdom, September

Sue Daly / Turbot (Scophthalmus maximus) camouflaged against seabed. Channel Islands, May.

Juan Manuel Borrero / Illustration of Turbot (Scophthalmus maximus). Pencil and watercolor painting.

Paul Hobson / Turbot (Scophthalmus maximus), head close up from above, The Wash, Lincolnshire, UK

Sue Daly / Brill (Scophthalmus rhombus) camouflaged on seabed, Channel Islands, UK, July

Jeff Rotman / Face of a Windowpane Flounder (Scophthalmus aquosus) Massachusetts, USA, Atlantic Ocean

Graham Eaton / Turbot (Psetta maxima / Scophthalmus maximum) on sand, Cardigan Bay, Wales, October