shirahoshi
One Piece character. Princess Shirahoshi is a giant smelt-whiting mermaid and the princess of the Fish-Man Island.
The daughter of Neptune and Otohime, she has three older brothers; Fukaboshi, Ryuuboshi and Manboshi as well as a pet shark Megalo.
Unbeknownst to her and those around her, she is the modern incarnation of "Poseidon", one of the three Ancient Weapons that is said to be capable of destroying the world. "Poseidon" being the power of communicating and controlling the Sea Kings, gigantic and powerful sea creatures.