This list of mythical creatures that begin with this letter and I am constantly gathering information from each continent, and is continually being updated.
Samebito (Japanese)
The Samebito is a creature with origins in Japanese mythology, legend and folklore. They basically look like humanoid sharks. Samebito have bluish-gray, scaly skin, with white bellies, human-like heads, with small ears on their sides, shark-like half-snouts, complete with shark-like teeth, black, shark-like eyes, bald heads, webbed hands and feet, claws, gill slits on the sides of their necks, fins on their backs, calves, and forearms, and shark tails growing from their lower spines.