Alex Mustard / 2020VISION / Grey seal (Halichoerus grypus) swimming amongst kelp, Farne Islands, Northumberland, England, UK, August. 2020VISION Book Plate. Did you know? The 1914 Grey Seal Protection Act ensured this species?su...

Alex Mustard / RF - Grey seal (Halichoerus grypus) relaxing in a bed of kelp (Laminaria digitata), with two seals in the background. Farne Islands, Northumberland, England, United Kingdom. British Isles. North Sea....

Andy Murch / Pyjama shark (Poroderma africanum), two in reef, amongst kelp. Simon's Town, Western Cape, South Africa. May.

David Hall / Split level of a Lion's mane Jellyfish (Cyanea capillata) and Feather-boa kelp (Egregia menziesii), Seven-tree Island, Browning Pass, Queen Charlotte Strait, British Columbia, Canada. September.

Claudio Contreras / Californian sea lion (Zalophus californianus) swimming in Southern sea palm (Eisenia arborea) and Giant Kelp (Macrocystis pyrifera) forest, San Benitos Islands, Baja California Pacific Islands Biosphe...

Nick Hawkins / Sugar kelp (Sacchinaria latissima) off Nova Scotia, Canada. September

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

SCOTLAND: The Big Picture / Dead man's fingers (Alcyonium digitatum) on a rocky reef with view of the sky, Shetland, Scotland, UK, August.

SCOTLAND: The Big Picture / Kelp forest (Laminaria digitata) with small fish, Shetland, Scotland, UK, July.

Marie Read / Horned Puffin (Fratercula corniculata) flying over a pattern of kelp and sea foam, photographed from above, St. Paul, Pribilof Islands, Alaska, USA. July.

Franco Banfi / Sugar kelp (Saccharina latissima) and Sea anemones (Actiniaria) on rock near iceberg. Tasiilaq, East Greenland. April.

Franco Banfi / Sugar kelp (Saccharina latissima) near iceberg, view upwards to gap in sea ice. Tasiilaq, East Greenland. April.

Claudio Contreras / Californian Sealion (Zalophus californianus) in kelp (Macrocystis pyrifera) forest, San Benito del Este Island, Baja California Peninsula Pacific Islands Biosphere Reserve, Baja California, Mexico, Ma...

David Fleetham / California sea lions (Zalophus californianus) playing in a kelp forest off Santa Barbara Island, California, USA.

David Fleetham / California sea lions (Zalophus californianus) playing in a kelp forest off Santa Barbara Island, California, USA.

Doc White / California sea otter (Enhydra lutris) feeding on Northern kelp crab, Monterey Bay, California, USA, Eastern Pacific Ocean, May

Alex Mustard / RF - Female grey seal (Halichoerus grypus) hovering in gully of kelp (oarweed: laminaria: Laminaria hyperborea). Farne Islands, Northumberland, England, United Kingdom. British Isles. North Sea. (This...

Alex Mustard / Grey seal (Halichoerus grypus) playful young seal above a kelp forest. Lundy Island, Devon, UK Bristol Channel, August

SCOTLAND: The Big Picture / Grey seal (Halichoerus grypus) swimming over kelp forest, Shetland, Scotland, UK, August.

Alex Mustard / Harbour seal (Phoca vitulina) in the kelp forest (Macrocystis pyrifera). Santa Barbara Island, Channel Islands. Los Angeles, California, United States of America. North East Pacific Ocean.

Alex Mustard / California sea lion (Zalophus californianus) resting in the canopy of a forest of giant kelp (Macrocystis pyrifera). Santa Barbara Island, Channel Islands. Los Angeles, California, United States of Am...

Alex Mustard / Portrait of a Nudibranch (Flabellina pellucida) on a kelp frond with star trails. Gulen, Norway. North East Atlantic Ocean.

Alex Mustard / Young California sea lion (Zalophus californianus) playing in the canopy of a forest of Giant kelp (Macrocystis pyrifera). Santa Barbara Island, Channel Islands. California, USA. North East Pacific Oc...

Tony Wu / Twinspot snapper (Lutjanus bohar) engaged in a mass spawning aggregation early in the morning. Caroline Islands, Palau. April.

Tony Wu / Twinspot snapper (Lutjanus bohar) shoal rushing up to spawn, releasing a cloud of milky white sperm and eggs in the water column. Caroline Islands, Palau, November.

Solvin Zankl / Kelp forest (Laminaria hyperborea), Atlantic Ocean, North West Norway, March.

Alex Mustard / Strawberry anemone (Utricina lofotensis) grows beneath Bull kelp forest (Nereocystis luetkeana). Browning Pass, Port Hardy, Vancouver Island, British Columbia. Canada. North East Pacific Ocean.

Juergen Freund / Detail of Giant kelp (Macrocystis pyrifera) gas-filled bladders (pneumatocysts) Vancouver Island, British Columbia, Vancouver Island, Canada.

Pascal Kobeh / Group of California sea lions (Zalophus californianus) in a kelp forest (Macrocystis pyrifera), California, USA. Pacific ocean.

Pascal Kobeh / Group of California sea lions (Zalophus californianus) swimming in kelp forest (Macrocystis pyrifera), California, USA. Pacific ocean.

Pascal Kobeh / Sea otter (Enhydra lutris) floating on its back at surface among kelp, Alaska, USA. Gulf of Alaska, Pacific ocean.

Alex Mustard / Portrait of pair of Bohar snappers (Lutjanus bohar) in their spawning aggregation. Shark Reef, Ras Mohammed Marine Park, Sinai, Egypt. Red Sea.

Alex Mustard / Portrait of Bohar snappers (Lutjanus bohar) in its spawning aggregation. Shark Reef, Ras Mohammed Marine Park, Sinai, Egypt. Red Sea.

Bertie Gregory / Northern sea otter (Enhydra lutris kenyoni) floating amongst bull kelp, Vancouver Island, British Columbia, Canada, July.

Brandon Cole / Red Sea Urchins (Stronglyocentrotus franciscanus) and Purple Sea Urchins (Stronglyocentrotus purpuratus) feeding on bottom algae and Giant kelp (Macrocystis pyrifera), Channel Islands National Marine...

Tui De Roy / Stewart Island Brown Kiwi or Southern Tokoeka (Apteryx australis lawryi), female probing by scent for sand hoppers in rotting kelp beach wrack at night, Ocean Beach, Stewart Island, New Zealand

Alex Mustard / Scenic view of a bull kelp forest (Nereocystis luetkeana) with sunlight shining through the fronds. Browning Pass, Port Hardy, Vancouver Island, British Columbia. Canada. North East Pacific Ocean.

Cheryl-Samantha Owen / Recreational fishing in a sea kayak for West coast rock lobster (Jasus lalandii). Hoop net or trap is lowered onto the sea floor or kelp bed with a pouch of bait (sardines or pilchards) attached. Kom...

Brandon Cole / Demoiselle fish (Chromis dispilus) swarm in front of kelp (Ecklonia radiata) Poor Knights Islands Marine Reserve, New Zealand, Pacific Ocean.

Chris Gomersall / 2020VISION / European river otter (Lutra lutra) cub amongst kelp on shoreline, Shetland Isles, Scotland, UK, October.

Chris Gomersall / 2020VISION / European river otter (Lutra lutra) cub amongst kelp on shoreline, Shetland Isles, Scotland, UK, October.

Chris Gomersall / 2020VISION / European river otter (Lutra lutra) cub amongst kelp on shoreline, Shetland Isles, Scotland, UK, October.

Ole Jorgen Liodden / King Penguin (Aptenodytes patagonicus) swimming underwater past kelp, Macquarie Island, Sub-Antarctic Australia. November.

Brandon Cole / Fish eating sea anemones (Urticina piscivora) and Giant Plumose Sea Anemones (Metridium farcimen) with Bull Kelp (Nereocystis luetkeana) behind, streaming in a gentle current. Washington, USA, Pacific...

Alex Mustard / A close up portrait of a cod (Gadus morhua) over a kelp forest. Husavik Iceland. North Atlantic Ocean. April 2012

Alex Mustard / A shoal of cod (Gadus morhua) in kelp forest. These cod were gathered off the north coast of Iceland to spawn, photographed during a two week break in fishing season, to allow the fish to spawn. Thors...

Alex Mustard / 2020VISION / Grey seal (Halichoerus grypus) in a gully beneath kelp (Laminaria digitata), Farne Islands, Northumberland, England, UK, July

Alex Mustard / 2020VISION / Female Grey seal (Halichoerus grypus) juvenile swimming over kelp, off Farne Islands, Northumberland, England, UK, July. Did you know? Grey seal milk is 60% fat and although they are fed milk for just...