Sea mat polyps
Sea plume
Sergeant major
Sexy dancer shrimp
Sharknose goby
Sharpnose puffer
Sharpnose wrasse
Sheep-pacu
Shorthead redhorse sucker
Shortnose gar
Short-tooth cardinalfish
Shovelnose catfish
Shrimpfish
Siamese flying fox
Silver arawana
Silver carp