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              Rough Triggerfish (Canthidermis maculata) 
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              Roughsnot Ghost Pipefish (Solenostomus paegnius) 
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              Round Stingray (Urobatis halleri) 
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              Royal Cleaner Wrasse (Labroides phthirophagus) 
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              Royal Gramma Basslet (Gramma loreto) 
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              Ruby Blue-Lined Squirrelfish (Sargocentron tiere) 
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              Ruby Dragonet (Synchiropus sycorax) 
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              Ruby Flame Cardinalfish (Fowleria flammea) 
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              Ruby Head Fairy Wrasse (Cirrhilabrus chaliasi) 
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              Ruby Longfin Fairy Wrasse (Cirrhilabrus rubeus) 
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              Ruby Scat (Scatophagus argus) 
- 
              Rubyspot Cardinalfish (Ostorhinchus rubrimacula) 
- 
              Rusty Angelfish (Centropyge ferrugata) 
- 
              Sabortooth Blenny (Plagiotremus azaleus) 
- 
              Sabre Squirrelfish (Sargocentron spiniferum) 
- 
              Saddle Butterflyfish (Chaetodon ephippium) 
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              Saddle Coronata Pufferfish (Canthigaster coronata) 
- 
              Saddle Valentini Pufferfish (Canthigaster valentini) 
- 
              Saddleback Clownfish (Amphiprion polymnus) 
- 
              Saddleback Clownfish (Amphiprion polymnus) 
- 
              Saddleback Clownfish, Black & Yellow (Amphiprion polymnus) 
- 
              Saddleback Clownfish, Full Black (Amphiprion polymnus) 
- 
              Sailfin Algae Blenny (Salarias fasciatus) 
- 
              Sailfin Dottyback (Pseudochromis dutoiti) 
- 
              Sailfin Snapper, Adult (Symphorichthys spilurus) 
- 
              Sailfin Snapper, Juvenile (Symphorichthys spilurus) 
- 
              Sailfin Tang (Zebrasoma veliferum) 
- 
              Salvati Dottyback (Ogilbyina salvati) 
- 
              Sammara Squirrelfish (Neoniphon sammara) 
- 
              Sand Perch (Diplectrum formosum)