Ashley Cooper / Man with a Pacific halibut (Hippoglossus stenolepis) caught during sport fishing, Seward, Alaska, USA, September 2004.

Tony Wu / Indian halibut (Psettodes erumei) juvenile on sea bed, Lembeh Strait, North Sulawesi, Indonesia.

Mark Carwardine / Fisherman holding large Pacific halibut (Hippoglossus stenolepis) South East Alaska, USA

David Shale / Flounder / American Plaice {Hippoglossoides platessoides} 2368m, benthic, Barents sea, Northern Europe

David Shale / Flounder / American Plaice {Hippoglossoides platessoides} 2368m, benthic, Barents sea, Northern Europe

David Shale / Flounder / American Plaice {Hippoglossoides platessoides} 2368m, benthic, Barents sea, Northern Europe

David Shale / Flounder / American Plaice {Hippoglossoides platessoides} juvenile, 2368m, benthic, Barents sea, Northern Europe