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              Black/White Chromis (Chromis margaritifer) 
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              Blackback Butterflyfish (Chaetodon melannotus) 
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              Blackspot Cleaner Wrasse (Labroides pectoralis) 
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              Blacktip Morwong Drumfish (Cheilodactylus francisi) 
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              Blue Back Colini Angelfish (Centropyge colini) 
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              Blue Devil Damselfish (Chrysiptera taupou) 
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              Blue Devil Damselfish, Female (Chrysiptera cyanea) 
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              Blue Devil Damselfish, Male (Chrysiptera cyanea) 
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              Blue Dot Naso Tang (Naso lopezi) 
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              Blue Girdled Angelfish, Sub-Adult (Pomacanthus navarchus) 
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              Blue Girdled Angelfish, Sub-Adult (Pomacanthus navarchus) 
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              Blue Gudgeon Dartfish (Ptereleotris heteroptera) 
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              Blue Hippo Tang (Paracanthurus hepatus) 
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              Blue Line Triggerfish (Pseudobalistes fuscus) 
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              Blue Ribbon Eel (Rhinomuraena quaesita) 
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              Blue Spotted Grouper (Cephalopholis argus) 
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              Blue Spotted Pufferfish (Canthigaster solandri) 
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              Blue Spotted Rabbitfish (Siganus corallinus) 
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              Blue Spotted Shrimp Goby (Cryptocentrus pavoninoides) 
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              Blue Spotted Stingray (Taeniura lymma) 
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              Blue Stripe Clownfish (Amphiprion chrysopterus) 
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              Blue Throat Triggerfish, Female (Xanthichthys auromarginatus) 
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              Blue Throat Triggerfish, Male (Xanthichthys auromarginatus) 
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              Blue Unicorn Tang (Naso brevirostris) 
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              Blue-Green Bird Wrasse, Male (Gomphosus caeruleus) 
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              Blueblotch Butterflyfish (Chaetodon plebeius) 
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              Bluespine Unicorn Tang, Juvenile (Naso unicornis) 
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              Bluestreak Cleaner Wrasse (Labroides dimidiatus) 
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              Blunt Head Wrasse, Sub Adult/Female (Thalassoma amblycephalum) 
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              Boomerang Triggerfish (Sufflamen bursa)