Axel Gomille / Wolf (Canis lupus), sitting in front of wrecked tank, military training area, Saxony-Anhalt, Germany

Igor Shpilenok / Young female Kamchatka brown bear (Ursus arctos beringianus) playing with oil drum, Kronotsky Nature Reserve, Kamchatka, Far East Russia. May. These bears can develop addiction to sniffing the aviatio...

Alex Mustard / Hawksbill turtle (Eretmochelys imbricata) male swimming in open water above a coral reef. Tank Rock, Fiabacet, Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea, Tropical West Pacific Ocean.

Alex Mustard / Colourful reef scene with Coral grouper (Cephalopholis miniata), map puffer (Arothron mappa) and Panda butterflyfish (Chaetodon adiergastos). Tank Reef, Fiabacet Islands, Misool, Raja Ampat, Indonesia...

Bruno D'Amicis / Fennec fox (Vulpes zerda) wild caught adult, kept in sheep pen in village, Kebili Governorate. Tunisia, April. Winner of the Fritz Polking Portfolio Award of the GDT Competition 2015.

Cyril Ruoso / Pollution washed up in mangroves, Sungei Buloh Natural Park, Singapore. Non-ex

Jane Burton / Siamese fighting fish (Betta splendens) 'phantom' coloured male displaying to a female, captive from Malaysia and Thailand.

Claudio Contreras,Claudio Contreras / Seaweed farm, near Taglibas, Danajon Bank, Central Visayas, Philippines, April

Alex Mustard,Alex Mustard / A nudibranch (Dendronotus frondosus) photographed in the field aquarium, Gulen, Norway. North East Atlantic.

Alex Mustard,Alex Mustard / Nudibranch (Flabellina nobilis) photographed in the field aquarium in Gulen, Norway. North East Atlantic Ocean.

Steven Kazlowski / Crew bleeds a full deckload of Pacific cod fish (Gadidae family) before putting them in salt water tanks, on the fishing trawler Western Dawn, Gulf of Alaska, USA. No release available.

Juergen Freund / Tingo Leve of WWF Solomon Islands' Melanesia Programme carrying out an annual reef check survey of Tetepare Island reefs, Solomon Islands, July 2010

Florian Möllers / House sparrow (Passer domesticus) breeding in the cannon tube of a tank at the Russian War Monument, Unter den Linden, Berlin, Germany, June 2007

Alex Mustard / A captive Zebra shark (Stegostoma fasciatum / varium) portrait, with diver behind, in Brighton Sealife Centre, Brighton, England, UK. Model released, not property released

Michele Westmorland / Split level view of scuba diver with PR Aquanauts boat in Grenada, Caribbean. May 2009. Property released and diver model released.

Jeff Rotman / Japanese Giant Spider Crab (Macrocheira kaempferi) World's Largest Crustacean in Tokyo Aquarium, Japan.

Jack Dykinga / Saguaro cacti (Carnegiea gigantea) silhouetted at sunrise, Sand Tank Mountains, Sonoran Desert National Monument, Arizona, USA

Jack Dykinga / Saguaro cacti (Carnegiea gigantea) Sand Tank Mountains, Barry M. Goldwater Range, Arizona, USA

Jack Dykinga / Sunset at Javalina Mountain and the Sand Tank Mountains, Sonoran Desert National Monument, Arizona, USA

Jack Dykinga / Teddy Bear Cholla (Opuntia bigelovii) and Saguaro Cacti (Carnegiea gigantea) lit by the afternoon light in the Sand Tank Mountains, Sonoran Desert National Monument, Arizona, USA

DOC WHITE / Boy and girl watch Beluga whale {Delphinapterus leucas} at Mystic Aquarium, Connecticut, USA. Model released White whales

ZSSD / Hippopotamus (Hippopotamus amphibius) swimming submerged in tank, native to Africa

ZSSD / Hippopotamus (Hippopotamus amphibius) mother and baby interacting underwater in tank, native to Africa

Nick Upton / Puddle formed in a tank track supporting a colony of rare Fairy shrimp (Chirocephalus diaphanus), Salisbury Plain, Wiltshire, UK. September.

Nick Upton / Puddle formed in a tank track supporting a colony of rare Fairy shrimp (Chirocephalus diaphanus), Salisbury Plain, Wiltshire, UK. September.

Alejandro Prieto / Axolotls (Ambystoma mexicanum) swimming in a tank of water at CIBAC Station research facility, Xochimilco, Mexico.

Alejandro Prieto / Man eating a bowl of cooked Axolot (Ambystoma mexicanum) in broth, with a tank of live Axolotls on the shelf. Some Mexicans believe that consuming Axolotls is a powerful remedy against disease, Mexico...

Alejandro Prieto / Axolotl (Ambystoma mexicanum) in a water tank at CIBAC Station research facility. The station is an organization that is dedicated to studying and disseminating the problems faced by the Axolotl in th...

Alejandro Prieto / Axolotls (Ambystoma mexicanum) in a water tank at CIBAC Station research facility. The station is an organization that is dedicated to studying and disseminating the problems faced by the Axolotl in t...

Doug Gimesy / Southern purplespotted gudgeon (Mogurnda adspersa) held by researcher after capture in field before being placed into a tank, Kerang, Victoria, Australia. March 2021.

Juergen Freund / Senior Research Aquarist with Great Barrier Reef corals growing in aquarium at large research facility located near the sea, Australian Institute of Marine Science Sea Simulator, Cape Ferguson, Queens...

Juergen Freund / Regal tangs (Paracanthurus hepatus) and other fish and corals in aquarium tanks inside the Australian Institute of Marine Science Sea Simulator Research Facility, Cape Ferguson, Queensland, Australia....

Ugo Mellone / Water cistern in the Sahara desert, this can be a deadly trap for wildlife. Djebel Rich, Southern Morocco, Africa.

Ugo Mellone / Water cistern in the Sahara desert, a deadly trap for wildlife, Aydar, Southern Morocco, Africa.

Ugo Mellone / Water cistern in the Sahara desert, a deadly trap for wildlife. Aydar, Southern Morocco, Africa. March, 2020.

Doug Gimesy / Southern purple spotted gudgeon (Mogurnda adspersa) in fish tank. Colour of fish is washed out/paler than normal. Kerang, Victoria, Australia. November

Doug Gimesy / Southern purple spotted gudgeon (Mogurnda adspersa) in fish tank. Colour of fish is washed out/paler than normal. Kerang, Victoria, Australia. November

Doug Gimesy / Southern purple spotted gudgeon (Mogurnda adspersa) in fish tank. Colour of fish is washed out/paler than normal. Kerang, Victoria, Australia. November

Doug Gimesy / Southern purple spotted gudgeon (Mogurnda adspersa) in fish tank. Colour of fish is washed out/paler than normal. Kerang, Victoria, Australia. N

Shane Gross / Researchers from The Nature Conservancy pouring Eelgrass (Zostera marina) into large tank where seeds will separate from leaves for later dispersal. Part of the largest seagrass bed restoration projec...

Emanuele Biggi / Deserta Grande wolf spider (Hogna ingens) breeding sub-adult from the wild in its rearing tank, part of a captive breeding program, Bristol Zoo Gardens, Bristol, UK.

Ashley Cooper / Fuel tank and buildings at Vernadsky Station Ukrainian research base, a former British base. Galindez Island, Antarctica. January 2020.

Sirachai Arunrugstichai / Brownbanded bamboo sharks (Chiloscyllium punctatum) seen in a small captive tank at a seafood market, Chonburi Province, Thailand, January 2016.

Eric Baccega / Zookeepers cleaning the hippo tank, Beauval Zoo, Saint-Aignan, France.

Eric Baccega / Zookeepers cleaning the hippo tank, Beauval Zoo, Saint-Aignan, France.

Eric Baccega / Zookeepers cleaning the hippo tank, Beauval Zoo, Saint-Aignan, France.