DOC WHITE / Blue whale underwater close-up of head and mouth feeding with pouch inflated, Mexico

Cheryl-Samantha Owen / Blacktip reef shark (Carcharhinus melanopterus), Aldabra Atoll, Seychelles, Indian Ocean

Erlend Haarberg / Air bubbles frozen in ice, Helgeland, Nordland, Norway, November

Onne van der Wal / Yacht viewed from underwater, Saint Barths Bucket Super Yacht Regatta, Caribbean, March 2009.

Onne van der Wal / Yacht viewed from underwater, Saint Barths Bucket Super Yacht Regatta, Caribbean, March 2009.

Alex Mustard / Diver blowing bubble rings, while resting on the sand, East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea, January 2011.

Sven Zacek / Frozen bubbles captured in ice on the surface of lake. South Estonia, Europe, January 2008.

Pete Oxford / Galapagos penguin (Spheniscus mendiculus) diving underwater, Bartolome Island, Galapagos, endemic

Pete Oxford / Galapagos penguin (Spheniscus mendiculus) diving underwater, Bartolome Island, Galapagos, endemic.

Juergen Freund / Young Papua New Guinean islander enjoying bubbles blown towards him by tourists. Papua New Guinea, June 2010.

Juergen Freund / Member of West Papuan dive boat crew free-swimming underwater. North Raja Ampat, West Papua, Indonesia, February 2010

Juergen Freund / Leatherback turtle (Dermochelys coriacea) underwater. Kei islands, Indonesia, November

Floris van Breugel / Giant Red Sea Urchins (Strongylocentrotus franciscanus) Purple sea urchins (Strongylocentrotus purpuratus) and Sea Anenomes (Anthopleura) underwater, in tide pools along Californian coastline, USA.

Alex Mustard / Silhouette of a New Zealand fur seal (Arctocephalus forsteri) diving underwater, Tasmania, Australia.

Alan Williams / Male Ruddy Duck (Oxyura jamaicensis) displaying on lake expelling air from breast feathers to form bubbles (captive bird) UK, May 2010

Guy Edwardes / Beads of water trapped on vibrant green moss Landmannalaugar, Southern Iceland, July 2009.

Bryan and Cherry Alexander / Grounded iceberg, with grooves caused by air bubbles eroding ice. Greenland, 1985.

Gerrit Vyn / Ruddy Duck (Oxyura jamaicensis) male in breeding plumage performing a "bubbling display"which is used in both courtship and aggressive territorial encounters. The male holds its head and tail and 2 ro...

Graham Eaton / An underwater view of a mountain stream showing internal reflections on the water surface, Snowdonia NP, Gwynedd, Wales, UK, December 2009.

Michel Roggo / Karst spring where water bubbles up from subterranean source, Julian Alps, Slovenia, June 2008

Michel Roggo / Turbulent waters in Verzasca River, Tessin, Switzerland, October

Michel Roggo / Underwater landscape in Hongrin River, Saane river tributary, Canton of Fribourg, Switzerland, September

Michel Roggo / Underwater landscape looking up at bubbles and water lily in ice, Doubs River, France, February

Michel Roggo / Underwater landscape in peat pond, Fribourg, Switzerland, August

Michel Roggo / Underwater landscape in peat pond, Fribourg, Switzerland, August

Michel Roggo / Underwater landscape with water lily in peat pond, Fribourg, Switzerland, May

Michel Roggo / Turbulent water in Verzasca river, Ticino, Switzerland, February

Michel Roggo / Underwater landscape in Verzasca River, Ticino, Switzerland, September

Michel Roggo / Underwater landscape beneath waterfall, Baca River, Slovenia, June

Michel Roggo / Underwater landscape in Verzasca River, Ticino, Switzerland, September

Michel Roggo / Underwater landscape beneath ice with trapped bubbles, Doubs River, France, February

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) expelling air and water from mouth through baleen plates after engulfing part of a baitball of Sardines, Sardinops sagax, off Baja California, Mexico (Easte...

Jeff Rotman / Free diver coming up from dive to explore coral reef, Sinai, Egypt, Red Sea Model released Model released.

Nick Upton / Flesh fly (Sarcophaga sp.) "bubbling" regurgitated stomach contents in order to increase the concentration of its food by evaporating excessive water content. Wiltshire, UK, September.

Nick Upton / Flesh fly (Sarcophaga sp.) "bubbling" regurgitated stomach contents in order to increase the concentration of its food by evaporating excessive water content. Wiltshire, UK, September.

Edwin Giesbers / Air bubbles trapped in ice, the Netherlands

Stephen Dalton / European water shrew (Neomys fodiens) diving underwater, controlled conditions, UK

Poinsignon and Hackel / Common kingfisher {Alcedo atthis} diving underwater to take fish, Lorraine, France

Kim Taylor / Water beetles (Dytiscus marginalis) and (Acilius sulcatus) clustered around an air bubble trapped beneath the ice of a frozen pond, digitally enhanced, Surrey, England

Pete Oxford / Geothermal activity as evidenced by bubbles eminating from the seabed, Roca Redonda and eroded volcano in mid ocean north of Isabela Island, Galapagos Islands, Ecuador, South America

Piotr Naskrecki / Beetle predating on snail who responds with defensive bubbles, Atewa Range, Ghana

Doug Perrine / Orca / Killer whale (Orcinus orca) blowing bubbles, captive, digital composite

Pete Oxford / Galapagos penguin (Spheniscus mendiculus) swimming underwater, Isabela Is, Galapagos

Ross Hoddinott / Ice pattern and trapped air bubbles, Dartmoor, Devon. UK

Konrad Wothe / California Sea Lion (Zalophus californianus) with mouth open in threat display blowing bubbles, North America

SIMON KING / Blue Ice on frozen lake with air bubbles, Antarctica.

Kim Taylor / Floating colonies of Stantor (ciliate protozoa) with gas bubbles used to lift colonies.

Todd Pusser / Hector's dolphins below surface {Cephalorhynchus hectori} Kaikoura, New Zealand Pacific

Doug Perrine / Atlantic spotted dolphins {Stenella frontalis} Bahamas, Caribbean (Non-ex).

Doug Perrine / Atlantic spotted dolphin bubbles coming from blowhole whilst it whistles {Stenella (Non-ex).

Pete Cairns / Air bubbles trapped in ice, UK

Pete Oxford / Killer whale coming up to surface {Orcinus orca}, off Kamchatka Pennisula, Russia

Martha Holmes / Bowhead whale releasing breathing out underwater {Balaena mysticetus} Arctic

Juergen Freund / Whale shark, diver and air bubbles {Rhincodon typus} Christmas Island, Australia

DOC WHITE / Northern elephant seal underwater breathing out at sea surface, off Mexico, Central America

Michele Westmorland / Volcanic bubbles escaping from the sea bed, Sangeang Island, Indonesia.

Doc White / Blue Whale (Balaenoptera musculus) feeding at sea surface, releasing bubbles after a lunge. California, USA.

Jabruson / African Forest elephant (Loxodonta africana cyclotis) adult blowing air into mineral-rich sediment hole in stream flowing through forest clearing, Dzanga-Ndoki National Park, Central African Republic

Alex Mustard / 2020VISION / Common guillemot (Uria aalge) swimming by flapping its wings underwater as it searches for small fish prey, Farne Islands, Northumberland, UK, North Sea, July

Laurie Campbell / Rayed artemis (Dosinia exoleta) shell in surf, Islay, Scotland, April

Graham Eaton / Underwater view of a mountain lake with ice and a quartz boulder, Llyn Idwal, Snowdonia National Park, Gwynedd, Wales, UK, December

Solvin Zankl / Solvin Zankl, underwater photographer, diving off San Pietro Island, Sardinia, Italy, Mediterranean, July 2010, model release

Hanne & Jens Eriksen / Boiling mud pool in the Krafla volcano area, Iceland, June 2009

Andy Rouse / 2020VISION / European river otter (Lutra lutra) swimming in river, Dorset, UK, December

Andy Rouse / 2020VISION / European river otter (Lutra lutra) looking up while swimming in river, Dorset, UK, December

Andy Rouse / 2020VISION / European river otter (Lutra lutra) swimming in river, Dorset, UK, December

Alex Mustard / 2020VISION / Puffin (Fratercula arctica) swimming underwater, Farne Islands, Northumberland, UK, July

Doug Allan / Doug Allan diving underwater observing antiquarian sponges, Lake Baikal, Siberia, Russia, March, Freeze Frame book plate page 49

Kathryn Jeffs / Blue iceberg, pure glacial ice, air bubbles have been compressed out with time, off the Antarctic Peninsula, Antarctica, Taken on location for BBC Frozen Planet series, January 2009

Kathryn Jeffs / Blue iceberg, pure glacial ice, air bubbles have been compressed out with time, off the Antarctic Peninsula, Antarctica, Taken on location for BBC Frozen Planet series, January 2009

Kathryn Jeffs / Blue ice, pure glacial ice, air bubbles have been compressed out with time, Antarctica, Taken on location for BBC Frozen Planet series, January

Hiroya Minakuchi / Orca (Orcinus orca) exhaling while surfacing which creates bubbles, Prince William Sound, Alaska

Nature Production / Greater Pied / Crested kingfisher (Megaceryle lugubris) diving for Dark Chub fish underwater, Shiga, Japan

Jeff Rotman / Diver discovers Roman Amphora on sea floor. Ustica Island, Italy, Mediterranean Sea Model released.

Juergen Freund / Vandalism underwater - names etched onto hard corals at a manta cleaning station by bored dive guides waiting for rays to appear. North Raja Ampat, West Papua, Indonesia, February

Juergen Freund / Underwater photographers and divers waiting for mantas at a manta cleaning station. North Raja Ampat, West Papua, Indonesia, February 2010

Mark Taylor / Ginger kitten on grass swiping at a soap bubble.

Mark Carwardine / Killer whale / Orca (Orcinus orca) hunting Herring by turning upside-down underneath shoal and stunning the fish with its tail, Tysfjord, Norway, November

Roberto Rinaldi / Diver interacting with Dusky grouper (Epinephelus marginatus) off the coast of Capraia. Tuscany, Italy, August.

Aflo / Portrait of young girl, blowing bubbles with Toy Poodle

Aflo / Portrait of young girl, blowing bubbles with Toy Poodle

Alex Mustard / A large bull California sealion (Zalophus californianus) patrolling his territory, blowing bubbles as he marks the boundary by vocalising. Los Islotes, La Paz, Baja California, Mexico. Sea Of Cortez,...

Alex Mustard / A large bull California sealion (Zalophus californianus) patrols his territory, blowing bubbles as he marks the boundary by vocalising. Los Islotes, La Paz, Baja California, Mexico. Sea Of Cortez, Eas...

Alex Mustard / A playful California sea lion pup (Zalophus californianus) barking and blowing bubbles. La Paz, Baja California Mexico. Sea of Cortez, East Pacific Ocean. October

Andrew Walmsley / Juvenile New Zealand fur seal (Arctocephalus forsteri) blowing bubbles in rock pool, Kaikoura, South Island, New Zealand, July

Guy Edwardes / Bubbling mud pools near Grindavik, Iceland, July 2009

Guy Edwardes / Beads of water trapped on vibrant green moss Landmannalaugar, Southern Iceland, July 2009.

Michel Roggo / Karst spring where water bubbles up from subterranean source, Julian Alps, Slovenia, June 2008

Michel Roggo / Karst spring where water bubbles up from subterranean source, Julian Alps, Slovenia, June 2008

Michel Roggo / Underwater landscape with turbulence bubbles in Verzasca River, Tessin, Switzerland, October

Michel Roggo / Turbulent waters in Verzasca River, Tessin, Switzerland, October

Michel Roggo / Turbulent waters in Verzasca River, Tessin, Switzerland, October

Michel Roggo / Turbulent water in Saane river tributary, Gruyère, Fribourg, Switzerland, February

Michel Roggo / Turbulent water in Saane river tributary, Gruyère, Fribourg, Switzerland, February

Michel Roggo / Turbulent waters in Verzasca River, Tessin, Switzerland, October

Michel Roggo / Underwater landscape in Soca river, Slovenia, June