Jeff Rotman / Fishermen clean Atlantic Cod (Gadus morhua) on deck of fishing trawler, with herring gulls (Larus argentatus) flocking in the background. Stellwagen Banks, New England, United States, North Atlantic O...

Michel Roggo / Inuit fisherman, fishing for Atlantic cod (Gadus morhua) Ilulissat Icefjord UNESCO World Heritage Site, Greenland, August 2014. Photographed for the Freshwater Project.

Terry Whittaker / Commercial fishermen unloading and sorting Cod (Gadus morhua) Grindavik harbour, Iceland, March 2014.

Terry Whittaker / Cod (Gadus morhua) caught by commercial fishing vessel, Grindavik harbour, Iceland, March 2014.

Terry Whittaker / Crates of Cod (Gadus morhua) on Grindavik harbour, caught by commercial fishing vessel, Iceland, March 2014.

Franco Banfi / Atlantic cod (Gadus morhua) Little Strytan dive site, Eyjafjordur nearby to Akureyri, northern Iceland, North Atlantic Ocean.

Franco Banfi / Scuba diver with Wolf eel (Anarrhichthys ocellatus) and Atlantic cod (Gadus morhu) Little Strytan dive site, Eyjafjordur nearby to Akureyri, northern Iceland, North Atlantic Ocean.

Alex Mustard / Diver swimming with an aggregation of Cod (Gadus morhua) over a kelp forest. These cod were gathered in early spring off the north coast of Iceland to spawn. Thorshofn, Iceland. North Atlantic Ocean....

Wild Wonders of Europe / Widstrand / Three Atlantic cod (Gadus morhua) in fishing net being pulled onto fishing boat, Senja, Troms County, Norway, Scandinavia, January. Cod are attracted to this area to feed on the huge population of spr...

Wild Wonders of Europe / Widstrand / Atlantic cod (Gadus morhua) in fishing net being pulled onto fishing boat, Senja, Troms County, Norway, Scandinavia, January. Cod are attracted to this area to feed on the huge population of spring s...

Wild Wonders of Europe / Widstrand / Atlantic cod (Gadus morhua) fishing boat with Gulls (Lardiae) circling, Senja, Troms County, Norway, Scandinavia, January 2015. Cod are attracted to this area to feed on the huge population of spring...

Peter Cairns / Atlantic cod (Gadus morhua) heads drying on racks, Hamnoya, Lofoten, Norway. March 2015. Vulnerable species.

Peter Cairns / Atlantic cod (Gadus morhua) drying in wracks in winter, Hamnoya, Lofoten, Norway

Peter Cairns / Atlantic cod (Gadus morhua) drying in wracks in winter, Hamnoya, Lofoten, Norway

Peter Cairns / Atlantic cod (Gadus morhua) drying in wracks in winter, Hamnoya, Lofoten, Norway

Jeff Rotman / Atlantic Cod (Gadus morhua) close up of face, Stellwagon Bank, Massachusetts, New England, USA, North Atlantic Ocean.

Philip Stephen / Fishermen winch a catch of Cod (Gadus morhua) on board the North Sea trawler 'Ocean Harvest', March 2014. Property released. All non-editorial uses must be cleared individually.

Philip Stephen / Hopper filled with Cod (Gadus morhua) on board a North Sea trawler, February 2014. All non-editorial uses must be cleared individually.

Philip Stephen / Hopper filled with Cod (Gadus morhua) and Saithe (Pollachius virens) on board a North Sea trawler, February 2014. All non-editorial uses must be cleared individually.

Jeff Rotman / Fishermen sorting catch of Yellowtail flounders (Limanda Ferruginea) and Atlantic cod (Gadus morhua) on the deck of fishing dragger. Stellwagen Banks, New England, United States, North Atlantic Ocean,...

Jeff Rotman / Atlantic cod (Gadus morhua) and Yellowtail flounders (Limanda ferruginea) on deck of fishing dragger. Stellwagen Banks, New England, United States, North Atlantic Ocean, March 2009.

Jeff Rotman / Bycatch of Yellowtail flounders (Limanda ferruginea) and Atlantic cod (Gadus morhua) on the deck of fishing dragger. Stellwagen Banks, New England, United States, North Atlantic Ocean, March 2009.

Jeff Rotman / Bycatch of Yellowtail flounders (Limanda ferruginea) and Atlantic cod (Gadus morhua) on the deck of fishing dragger. Stellwagen Banks, New England, United States, North Atlantic Ocean, March 2009.

Jeff Rotman / Fishermen sorting catch of Yellowtail flounders (Limanda Ferruginea) and Atlantic cod (Gadus morhua) on the deck of fishing dragger. Stellwagen Banks, New England, United States, North Atlantic Ocean,...

Jeff Rotman / Fishing dragger emptying net full of Yellowtail flounders (Limanda ferruginea) and Atlantic Cod (Gadus morhua). Stellwagen Bank, New England, United States; North Atlantic Ocean, March 2009.

Brent Stephenson / Atlantic cod (Gadus morhua) heads and skeletons drying on racks. Most of these are destined for markets in Nigeria. Reykjavik, Iceland. August.

Brent Stephenson / Atlantic cod (Gadus morhua) hairs and skeletons air drying on racks. Most of these are destined for markets in Nigeria. Reykjavik, Iceland. August.

Loic Poidevin / Drying Cod (Gadus morhua), Moskenesoya, Lofoten Islands, Norway, June.

Loic Poidevin / Drying Cod (Gadus morhua), Moskenesoya, Lofoten Islands, Norway, June 2010.

Loic Poidevin / Drying Cod (Gadus morhua), Moskenesoya, Lofoten Islands, Norway, June.

Loic Poidevin / Drying Cod (Gadus morhua), Varanger, Norway, May.

Jeff Rotman / Fisheries inspector weighs undersized Atlantic Cod (Gadus morhua) on deck of fishing trawler. Stellwagen Banks, New England, United States, North Atlantic Ocean

Jeff Rotman / Fisherman shoveling bycatch of American lobster (Homarus americanus), Atlantic Cod (Gadus morhua) and Little Skate (Leucoraja erinacea) overboard. Stellwagen Banks, New England, United States, North A...

Jeff Rotman / Fisherman cleans Atlantic Cod (Gadus morhua) on deck of fishing trawler. Stellwagen Banks, New England, United States, North Atlantic Ocean Model released.

Jeff Rotman / Fisherman sorts catch of Atlantic Cod (Gadus morhua) and Little Skate (Leucoraja erinacea) on deck of fishing trawler. Stellwagen Banks, New England, United States, North Atlantic Ocean Model released...

Jeff Rotman / Fisherman sorts catch of Little Skate (Leucoraja erinacea), American lobster (Homarus americanus), Yellowtail Flounder (Limanda ferruginea) and Atlantic Cod (Gadus morhua) on deck of fishing trawler....

Jeff Rotman / Atlantic Cod (Gadus morhua), Yellowtail Flounder (Limanda ferruginea) and American lobster (Homarus americanus) on deck of fishing trawler. Stellwagen Banks, New England, United States, North Atlantic...

Jeff Rotman / Spiny Dogfish Shark (Squalus acanthias), Atlantic Cod (Gadus morhua) Little Skate (Leucoraja erinacea) and American lobster (Homarus americanus) on deck of fishing trawler. Stellwagen Banks, New Engla...

Jeff Rotman / Atlantic Cod (Gadus morhua), Yellowtail Flounder (Limanda ferruginea), American lobster (Homarus americanus) and Little Skate (Leucoraja erinacea) on deck of fishing trawler. Stellwagen Banks, New Eng...

Jeff Rotman / Atlantic Cod (Gadus morhua), Yellowtail Flounder (Limanda ferruginea) and American lobster (Homarus americanus) on deck of fishing trawler. Stellwagen Banks, New England, United States, North Atlantic...

Jeff Rotman / Atlantic Cod (Gadus morhua) on deck of fishing trawler. Stellwagen Banks, New England, United States, North Atlantic Ocean

Jeff Rotman / Trawler net full of Spiny Dogfish Shark (Squalus acanthias), Yellowtail Flounder (Limanda ferruginea), Atlantic Cod (Gadus morhua), and Little Skate (Leucoraja erinacea). Stellwagen Banks, New England...

Jeff Rotman / Fishing trawler hauls in net full of Atlantic Cod (Gadus morhua), Yellowtail Flounder (Limanda ferruginea) and American lobster (Homarus americanus). Stellwagen Banks, New England, United States, Nort...

Doug Allan / Atlantic cod (Gadus morhua) swimming in fish farm net, Newfoundland, Canada, Atlantic Ocean.

Franco Banfi / Atlantic cod (Gadus morhua) swimming over seabed, Trondheimfjord, North Atlantic Ocean.

Franco Banfi / Atlantic cod (Gadus morhua) swimming over seabed, Trondheimfjord, Norway, North Atlantic Ocean.

Shane Gross / Atlantic cod (Gadus morhua) juveniles hiding in Eelgrass (Zostera marina) bed. Once the most caught fish in the world, the cod fishery collapsed in 1992. Juveniles use seagrass beds as a nursery, the...

Shane Gross / Atlantic cod (Gadus morhua) juvenile, hiding in Eelgrass (Zostera marina) bed. Once the most caught fish in the world, the cod fishery collapsed in 1992. Juveniles use seagrass beds as a nursery, the...

Shane Gross / Atlantic cod (Gadus morhua) juveniles hiding in Eelgrass (Zostera marina) bed. Once the most caught fish in the world, the cod fishery collapsed in 1992. Juveniles use seagrass beds as a nursery, the...

Shane Gross / Atlantic cod (Gadus morhua) juveniles sheltering in Eelgrass (Zostera marina) bed. Once the most caught fish in the world, the cod fishery collapsed in 1992. Juveniles use seagrass beds as a nursery,...

Shane Gross / Atlantic cod (Gadus morhua) juvenile sheltering in Eelgrass (Zostera marina) bed. Once the most caught fish in the world, the cod fishery collapsed in 1992. Juveniles use seagrass beds as a nursery, t...

Shane Gross / Atlantic cod (Gadus morhua) juveniles sheltering in Eelgrass (Zostera marina) bed alongside Cunner (Tautogolabrus adspersus) fish. Once the most caught fish in the world, the cod fishery collapsed in...

Shane Gross / Researchers from Department of Fisheries and Oceans Canada stitching up Atlantic cod (Gadus morhua) juvenile after implanting a radio tag to track the fish's movements. Newfoundland, Canada. May 2...

Shane Gross / Atlantic cod (Gadus morhua) juvenile held by researchers from Department of Fisheries and Oceans Canada after implanting a radio tag to track the fish's movements. Newfoundland, Canada. May 2019.

Shane Gross / Atlantic cod (Gadus morhua) juvenile held by researcher from Department of Fisheries and Oceans Canada after implanting a radio tag to track fish's movements. Newfoundland, Canada. May 2019.

Chris Shields / Illustration of Cod (Gadus morhua)