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Sleeper Mural Goby
(Valenciennea muralis)
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Sleeper Railway Glider Goby
(Valenciennea helsdingenii)
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Sleeper Striped Goby
(Valenciennea longipinnis)
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Slender-Spined Globefish Pufferfish
(Diodon nicthemerus)
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Small Mouth Grunt
(Haemulon chrysargyreum)
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Smith's Blenny
(Meiacanthus smithii)
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Smith's Damselfish
(Pomacentrus smithi)
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Smokey Damselfish
(Pomacentrus sp. (P. chrysurus or P. littoralis))
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Smooth Trunkfish
(Rhinesomus triqueter)
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Snooty Wrasse
(Cheilinus oxycephalus)
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Snowflake Moray Eel
(Echidna nebulosa)
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Sohal Tang
(Acanthurus sohal)
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Somali Butterflyfish
(Chaetodon leucopleura)
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Spaghetti Eel
(Moringa microchir)
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Spanish Hogfish
(Bodianus rufus)
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Speckled Butterflyfish
(Chaetodon citrinellus)
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Speckled Damselfish
(Pomacentrus bankanensis)
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Sphynx Goby
(Amblygobius sphynx)
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Spinecheek Goby
(Oplopomus oplopomus)
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Spiny Box Burrfish Pufferfish
(Chilomycterus schoepfii)
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Spiny Chromis
(Acanthochromis polyacanthus juv.)
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Spiny Chromis
(Acanthochromis polyacanthus)
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Spiny Head Cardinalfish
(Apogon urostigma)
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Splendid Dottyback
(Manonichthys splendens)
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Splendid Garden Eel
(Gorgasia preclara)
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Splendid Pintail Fairy Wrasse, Male
(Cirrhilabrus isosceles)
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Spot Lined Flasher Wrasse
(Paracheilinus lineopunctatus)
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Spotband Butterflyfish
(Chaetodon punctatofasciatus)
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Spotbreast Angelfish, Male
(Genicanthus melanospilos)
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Spotfin Antennata Lionfish
(Pterois antennata)