Yukihiro Fukuda / Lesser frigatebird (Fregata ariel) parent coming into land at nest with waiting chick, Christmas Island, Indian Ocean, July

Nick Hawkins / Juvenile Pollock (Pollachius virens) school within the protective fronds of kelp near Port Joli, Nova Scotia, Canada. August

Five Films / Fisherman using a net to land a large Pollack (Pollachius pollachius), with dog on boat, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Jeff Rotman / Fishermen sorting Haddock (Melanogrammus aeglefinus), Pollock (Pollachius) and Dogfish (Squalidae) from net, Georges Bank off Massachusetts, New England, USA, May 2015. Model released.

Jeff Rotman / Hauling in dragger net filled with Haddock (Melanogrammus aeglefinus), Pollock (Pollachius), Dogfish (Squalidae) and Lobster (Nephropidae) Georges Bank off Massachusetts, New England, USA, May 2015. M...

Christophe Courteau / Pollack {Pollachius pollachius} Brittany France

Philip Stephen / Fishing vessel "Harvester" taking a good haul of Saithe (Pollachius virens) aboard, at night on the North Sea, 60 miles North East of the Shetlands. February 2010, Property released.

Philip Stephen / Saithe (Pollachius virens) on netting, onboard a trawler on the North Sea, Europe.

Wild Wonders of Europe / Lundgre / Coalfish / Saithe (Pollachius virens) Saltstraumen, Bod, Norway, October 2008

Philippe Clement / School of Pollack fish (Pollachius pollachius), North Sea, Europe, Captive

David Shale / Saithe {Pollachias virens} pelagic, deepsea, 2359m, Barents sea, Northern Europe

Florian Graner / Pollack fish {Pollachius pollachius} Josenfjord, Norway

Nick Hawkins / An Atlantic polluck (Pollachius pollachius) swimming over a patch of eelgrass (Zostera marina). Nova Scotia, Canada. September

Five Films / Fisherman placing a Pollack (Pollachius pollachius) in a crate, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman lifting a Pollack (Pollachius pollachius) into boat, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Close-up of the end of a fishing rod bending as a Pollack (Pollachius pollachius) is reeled in, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Man reeling in a Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Two men fishing for Pollack (Pollachius pollachius), close up of a reel, sustainable fishing using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Close-up of a man reeling in a Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman using a net to land a large Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman reeling in a Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman reeling in a Pollack (Pollachius pollachius) with another boat in the background, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman reeling in a Pollack (Pollachius pollachius) with another fisherman nearby, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman reeling in a Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Tracking shot of a Northern gannet (Morus bassanus) flying over the sea, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Tracking shot of a Northern gannet (Morus bassanus) flying over the sea, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Greater black-backed gull (Larus marinus) flying at sea, with Black headed gulls (Chroicocephalus ridibundus) in winter plumage, English Channel, near Salcombe, Devon, UK, November.

Five Films / Close-up of a fisherman tying loops in his line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Slow motion shot of a fisherman using a net to land a large Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Pollack (Pollachius pollachius) struggling on a hook, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Slow motion clip of a Pollack (Pollachius pollachius) struggling on a fishing hook, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Slow motion clip of a Pollack (Pollachius pollachius) struggling on a fishing hook, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman lifting a Pollack (Pollachius pollachius) into boat, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman lifting a Pollack (Pollachius pollachius) into boat, with dog nearby, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman lifting a Pollack (Pollachius pollachius) into a boat, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Slow motion clip of waves, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Pollack (Pollachius pollachius) struggling on a hook, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman reeling a Pollack (Pollachius pollachius) in, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman using a net to land a large Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman lifting a Pollack (Pollachius pollachius) into boat, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fishermen reeling in Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fishermen reeling in Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fishermen reeling in Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman arranging Pollack (Pollachius pollachius) in an icebox, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman arranging Pollack (Pollachius pollachius) in an icebox, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman arranging Pollack (Pollachius pollachius) in an icebox, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman arranging Pollack (Pollachius pollachius) in an icebox, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Close-up of a crate filled with Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Close-up of a fisherman reeling in Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman gutting a Pollack (Pollachius pollachius) and throwing entrails to seabirds, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman gutting a Pollack (Pollachius pollachius) and throwing entrails to seabirds, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Close-up of a crate filled with Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman using a net to land a large Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman using a net to land a large Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman using a net to land a struggling Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fisherman lifting a Pollack (Pollachius pollachius) into boat, sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Fishermen reeling in Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Five Films / Three fishing boats, fishing for Pollack (Pollachius pollachius), sustainably caught using pole and line, English Channel, near Salcombe, Devon, UK, November 2016.

Graham Eaton / Pollack / Lythe (Pollachius pollachius) swimming in clear water, Cardigan Bay, Abersoch, Wales, UK August

Jeff Rotman / Hauling in dragger net filled with Haddock (Melanogrammus aeglefinus), Pollock (Pollachius), Dogfish (Squalidae) and Lobster (Nephropidae) Georges Bank off Massachusetts, New England, USA, May 2015.

Jeff Rotman / Fishermen sorting Haddock (Melanogrammus aeglefinus), Pollock (Pollachius) and Dogfish (Squalidae) from net, Georges Bank off Massachusetts, New England, USA, May 2015. Model released.

Jeff Rotman / Hauling in dragger net filled with Haddock (Melanogrammus aeglefinus), Pollock (Pollachius), Dogfish (Squalidae) and Lobster (Nephropidae) Georges Bank off Massachusetts, New England, USA, May 2015. M...

Jeff Rotman / Fishermen sorting Haddock (Melanogrammus aeglefinus), Pollock (Pollachius) and Dogfish (Squalidae) from net, Georges Bank off Massachusetts, New England, USA, May 2015 Model released.

Jeff Rotman / Sorting catch of Haddock (Melanogrammus aeglefinus) Dogfish (Squalidae) and Pollock (Pollachius) on deck of offshore trawler. Georges Bank, Massachusetts, New England, USA, May 2015. Model released...

Jeff Rotman / Hauling in dragger net filled with Haddock (Melanogrammus aeglefinus), Pollock (Pollachius), Dogfish (Squalidae) and Lobster (Nephropidae) Georges Bank off Massachusetts, New England, USA, May 2015. M...

Jeff Rotman / Hauling in dragger net filled with Haddock (Melanogrammus aeglefinus), Pollock (Pollachius), Dogfish (Squalidae) and Lobster (Nephropidae) Georges Bank off Massachusetts, New England, USA, May 2015. M...

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.

Erlend Haarberg / Great black-backed gull (Larus marinus) juvenile in flight with Pollock prey (Pollachius virens). Flatanger, Nord-Trondelag, Norway. March.

Orsolya Haarberg / Greater black-backed gull (Larus marinus) in flight just after catching Saithe (Pollachius virens) Flatanger, Nord-Trondelag, Norway, November

Merryn Thomas / Woman fishing for mackrel and pollack with a hand line from a small motorboat (Orkney Longliner), Eastern Isles, Isles of Scilly, UK. Model Released.

Philip Stephen / Crewmen holding Saithe (Pollachius virens), North Sea, Europe.

Alex Mustard / 2020VISION / Fisherman cleaning his catch, possibly Pollack (Pollachius pollachius) with flock of Herring gulls (Larus argentatus), Lands End, Cornwall, UK, May 2010

Steve Nicholls / Two Atlantic pollock (Pollachius pollachius) UK, December

Philip Stephen / Big haul of Saithe (Pollachius virens) alongside fishing vessel. North Sea, Europe, February 2011.

Philip Stephen / Trawler "Harvester" hauling net filled with Saithe (Pollachius virens) alongside. North Sea, Europe, February 2011. Property released.

Philip Stephen / Coley / saithe (Pollachius virens) packed in a plastic fish container, North Sea, May 2010.

Philip Stephen / Coley / saithe (Pollachius virens) packed in ice, North Sea, May 2010.

Philip Stephen / Coley / saithe (Pollachius virens) packed in ice, North Sea, May 2010.

Philip Stephen / Crewmen gutting Saithe (Pollachius virens) on a North Sea trawler. February 2010, Model released.

Philip Stephen / Fishing vessel "Harvester" with a good haul of Saithe (Pollachius virens) in the net at night, North Sea, February 2010. Property released.

Philip Stephen / Saithe (Pollachius virens) on netting, onboard a trawler on the North Sea, Europe.

Philip Stephen / Saithe (Pollachius virens) onboard a trawler on the North Sea, Europe.

Philip Stephen / Good haul of Saithe (Pollachius virens) waiting to be processed onboard a trawler on the North Sea, Europe.

Wild Wonders of Europe / Lundgren / Coalfish / Saithe (Pollachius virens) shoal, Saltstraumen, Bodö, Norway, October 2008

Wild Wonders of Europe / Lundgren / Coalfish / Saithe (Pollachius virens) Saltstraumen, Bodö, Norway, October 2008

Philip Stephen / Haddock (Melanogrammus aeglefinus), cod (Gadidae family) and saithe (Pollachius virens) fish waiting to be processed aboard a fishing vessel in the North Sea. December 2008.

David Shale / Saithe {Pollachias virens} pelagic, deepsea, 2359m, Barents sea, Northern Europe

David Shale / Saithe {Pollachias virens} pelagic, deepsea, 2359m, Barents sea, Northern Europe

Florian Graner / Pollack (Pollachius pollachius), Josenfjord, Norway

Florian Graner / Pollack (Pollachius pollachius), Josenfjord, Norway

Florian Graner / Pollack (Pollachius pollachius), Josenfjord, Norway

Florian Graner / Pollack (Pollachius pollachius), Josenfjord, Norway

Graham Eaton / Juvenile Pollack (Pollachius pollachius) Wales, UK, 2007

Lewis Jefferies / Pollock (Pollachius sp.) juvenile, portrait, Lizard Peninsula, Cornwall, UK, Atlantic Ocean.

Alex Mustard / Pollack (Pollachius pollachius) juveniles, swimming amongst Red pom-pom seaweeds (Ceramium sp.) and Spaghetti seaweed (Himanthalia elongata), Island of Coll, Inner Hebrides, Scotland, UK, Atlantic Oc...

Lewis Jefferies / Diverse array of algae species including Sargassum weed (Sargassum horneri), Kelp (Laminariales), Sea lettuce (Ulva lactuca) on shallow reef with juvenile Pollock (Pollachius pollachius) and Ballan wr...

Franco Banfi / Shoal of Saithe / Coalfish (Pollachius virens), Vevang, Norway, Atlantic Ocean.