Rick Tomlinson / Phil Wade, skipper of the 118ft S&S designed superyacht, "Timoneer", catches a large halibut (Pleuronectidae) off Southeast Alaska.

Shane Gross / Rock sole (Lepidopsetta bilineata) larval-stage, portrait, Salish Sea, Vancouver Island, British Columbia, Canada.

Shane Gross / Sand sole (Psettichthys melanostictus) larval-stage, portrait, Salish Sea, Vancouver Island, British Columbia, Canada.

Tony Wu / Male Red-breasted merganser (Mergus serrator) holding just caught Righteye flounder (Pleuronectidae), fleeing from Slaty-backed gull (Larus schistisagus). Hokkaido, Japan. February.

Tony Wu / Slaty-backed gull (Larus schistisagus) eating Righteye flounder (Pleuronectidae) stolen from Common merganser (Mergus merganser). The bird's nictitating membrane closed to protect its eyes while...

Tony Wu / Slaty-backed gull (Larus schistisagus) eating Righteye flounder (Pleuronectidae) stolen from Common merganser (Mergus merganser). The bird's nictitating membrane closed to protect its eyes while...

Franco Banfi / Flounder (Platichthys flesus) resting on seabed, Lofoten Islands, Norway, Atlantic Ocean.

Franco Banfi / Witch flounder (Glyptocephalus cynoglossus) amongst seabed detritus, Flatanger, Norway, North Atlantic Ocean.

Franco Banfi / Common dab (Limanda limanda) portrait, Trondheimfjord, Norway, North Atlantic Ocean.

Franco Banfi / Common dab (Limanda limanda) resting on seabed, Trondheimfjord, Norway, North Atlantic Ocean.

Franco Banfi / Common dab (Limanda limanda) resting on seabed, Trondheimfjord, Norway, North Atlantic Ocean.

Franco Banfi / Common dab (Limanda limanda) portrait, Trondheimfjord, Norway, North Atlantic Ocean.

Franco Banfi / Common dab (Limanda limanda) portrait, Trondheimfjord, Norway, North Atlantic Ocean.

Philippe Clement / Juvenile European herring gull (Larus argentatus) carrying a dead European plaice (Pleuronectes platessa) in beak, Ostend, Belgium. December.

Alex Mustard / Portrait of a Flounder (Platichthys flesus) on the seabed. Fort William, Lochaber, The Highlands, Scotland, United Kingdom. Loch Linnhe, North East Atlantic Ocean. British Isles

Shane Gross / English sole (Parophrys vetulus) close-up face portrait showing protruding eyes. Vancouver Island, British Columbia, Canada

Shane Gross / Winter Flounder (Pseudopleuronectes americanus) amongst Algae in seagrass bed. Newfoundland, Canada. May.

Chris Shields / Illustration of Plaice / Flatfish (Pleuronectes platessa)

Chris Shields / Illustration of Dab (Limanda limanda)

Philippe Clement / Common dab fishes (Limanda limanda) on ice on display in fish shop / fish market

Frederique Olivier / Pacific dover sole (Microstomus pacificus) moving on sand, Marovo Lagoon, Solomon Islands.

Philippe Clement / European plaice (Pleuronectes platessa) fishes on ice on display in fish shop / fish market

Martin Camm / Carwardine / Humpback whale (Megaptera novaeangliae) Underside of tail (fluke) comparisons No more than 15 illustrations by Martin Camm, Rebecca Robinson and/or Toni Llobet to be used in a single project o...