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Japanese Fold Dragonet
(Diplogrammus xenicus)
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Japanese Kelpfish Blenny
(Pseudoblennius marmoratus)
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Japanese Lunate Fairy Wrasse
(Cirrhilabrus lunatus)
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Japanese Tiger Dartfish
(Pterogobius elapoides)
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Jaquar Dottyback
(Pseudochromis moorei)
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Joan's Fairy Wrasse, Male
(Cirrhilabrus joanallenae)
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Johnsoni Fairy Wrasse
(Cirrhilabrus johnsoni)
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Johnsoni Fairy Wrasse, Male
(Cirrhilabrus johnsoni)
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Johnston Island Damselfish
(Plectroglyphidodon johnstonianus)
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Johnston Island Damselfish
(Plectroglyphidodon johnstonianus)
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Jordan's Dragonet
(Repomucenus benteguri)
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Jordan's Tuskfish
(Choerodon jordani)
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Kaleido's Wrasse
(Pseudojuloides kaleidos)
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Katherine's Fairy Wrasse
(Cirrhilabrus katherinae)
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Katherine's Fairy Wrasse, Male
(Cirrhilabrus katherinae)
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Katoi Fairy Wrasse
(Cirrhilabrus Katoi)
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Katoi Fairy Wrasse, Male
(Cirrhilabrus katoi)
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Kaudern's Banggai Cardinalfish
(Pterapogon kauderni)
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Keyhole Angelfish
(Centropyge tibicen)
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Koran Angelfish
(Pomacanthus semicirculatus)
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Koran Angelfish, Juvenile
(Pomacanthus semicirculatus)
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Koran Angelfish, Sub-Adult
(Pomacanthus semicirculatus)
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Kuhlia Barred Flagtail Grunt
(Kuhlia mugil)
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Kuiter's Dragonet
(Dactylopus kuiteri)
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Kuiter's Leopard Wrasse
(Macropharyngodon kuiteri)
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Lamarck's Angelfish, Female
(Genicanthus lamarck)
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Lamarck's Angelfish, Male
(Genicanthus lamarck)
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Latigo Fairy Wrasse
(Cirrhilabrus briangrenei)
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Latigo Fairy Wrasse, Male
(Cirrhilabrus briangrenei)
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Lattice Soldierfish
(Myripristis violacea)