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.

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

Juergen Freund / Live reef fish (Groupers) in tank ready to be boxed, aerated and exported to China, Pulau Mas assembly line, Bali, Indonesia, July 2009.

Juergen Freund / Live reef fish in tank in seafood restaurant, Lei Yue Mun harbour, Hong Kong, China, April 2009. .

Juergen Freund / Live reef fish (Groupers) in large tank ready to be boxed, aerated and exported to China, Pulau Mas assembly line, Bali, Indonesia, July 2009.

Mark Bowler / Asian green arowana / Asian boneytongue / Dragon fish (Scleropages formosus) in fish tank, for sale, Endangered species

Mark Bowler / Asian green arowana / Asian boneytongue / Dragon fish (Scleropages formosus) in fish tank, Endangered species

Mark Bowler / Asian green arowana / Asian boneytongue / Dragon fish (Scleropages formosus) in fish tank, Endangered species

Jane Burton / Sucking catfish {Hypostomus / Plecostomus plecostomus} attached by its sucking mouth to the glass of a fish tank, captive

Jane Burton / Silver shark {Balantiocheilos melanopterus} in fishtank, captive, from Asia

Jane Burton / Green swordtail fish {Xiphophorus helleri} in Central American coastal stream tropical fish tank, captive

Jane Burton / Tiger barb fish {Barbus tetrazoa} and other tropical fish in South east asia backwater fish tank with Bamboo plant {Blyxia japonica} flowing in the stream from the airlift, captive.

Jane Burton / Bubbles of air streaming over the water surface of a fish tank for a fast flowing sandy river from Papua New Guinea.

Jane Burton / Various species of tropical fish in fish tank with plants and airlift, captive.

Jane Burton / Harlequin rasbora {Trigonostigma heteromorpha}, Five banded barbs, Silver shark and Coolie loach in fish tank amongst Giant vallis leaves, captive, from SE Asia

Jane Burton / Rainbowfish {Melanotaeniidae} recently introduced to Papua New Guinea sandy river tropical fish tank and not yet coloured up, captive

Juergen Freund / Box jellyfish {Chiropsalmus sp.} in fish tank on beach with palm trees in background, Queensland, Australia 2006

Juergen Freund / Woman looking at Box jellyfish {Chiropsalmus sp.} in fish tank on beach, Queensland, Australia 2006

Dan Burton / Calico oranda goldfish in tank (Carassius auratus) UK captive

Steven David Miller / Loggerhead turtle hatchling (Caretta caretta) Australia. captive

Norbert Wu / Goldfish (Carassius auratus) school in tank, California

Juergen Freund / Live fish in tank in restaurant, Hong Kong, China

Onne van der Wal / Pair of Bottlenose dolphins (Tursiops truncatus), captive, with small fish swimming in tank.

Dr. Axel Gebauer / Fish for sale at Ximen market, Xining, capital Qinghai Province, Tibet, China