Jane Burton / Siamese fighting fish (Betta splendens) 'phantom' coloured male displaying to a female, captive from Malaysia and Thailand.
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Alex Mustard,Alex Mustard / A nudibranch (Dendronotus frondosus) photographed in the field aquarium, Gulen, Norway. North East Atlantic.
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Alex Mustard,Alex Mustard / Nudibranch (Flabellina nobilis) photographed in the field aquarium in Gulen, Norway. North East Atlantic Ocean.
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Juergen Freund / Box jellyfish {Chiropsalmus sp.} in fishtank on beach with palmtrees in background, Queensland, Australia
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Philippe Clement / Visitors looking at tropical fishes in huge aquarium at Oceanopolis - ocean discovery park - at Brest, Normandy, France, September 2015
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Simon Colmer / Tanks used for breeding Malawi cichlid (Pseudocrenilabrinae) fish, Senga Bay, Malawi. November 2012
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Simon Colmer / Tanks used for breeding Malawi cichlid (Pseudocrenilabrinae) fish, Senga Bay, Malawi. November 2012
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Simon Colmer / Disused tanks previously used for breeding Malawi Cichlid fish for the tropical fish market. Fish left to die when the tanks were drained. Malawi. November 2012
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Simon Colmer / Tanks used for breeding Malawi Cichlid (Pseudocrenilabrinae) fish with signs showing where the fish were collected. Senga Bay, Malawi. November 2012
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Simon Colmer / Tanks used for breeding Malawi cichlid (Pseudocrenilabrinae) fish, Senga Bay, Malawi. November 2012
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Simon Colmer / Tanks used for breeding Malawi Cichlid (Pseudocrenilabrinae) fish, Senga Bay, Malawi. November 2012
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Simon Colmer / Tanks full of Malawi Cichlids, bred for the tropical fish market. Senga Bay, Malawi. November 2012.
