Here is a list of mythical creatures beginning with this letter and I am constantly gathering information from each continent and continually updating.
Adaro (Solomon Islands)
Adaro is a unique creature that lived in the Pacific Ocean. The Adaro is very dangerous. Said to arise from the wicked part of a person's spirit, which is divided between the Aunga (good) which dies, and the Adaro (evil) which stays as a ghost. An adaro is described as a man with gills behind his ears, tail fins for feet, a horn like a shark's dorsal fin, and a swordfish or sawfish-like spear growing out of his head.
They may also travel in Jaratep or Daretep waterspouts and along rainbows and are said to kill unwary fishermen by firing flying poisonous fish at them. Will visit man in their dreams to teach them new song and dance. Their chief is named Ngorieru and is said to live off the coast of San Christobal. Passing boats will use their paddles softly so as to not disturb them.