Shirahoshi

__First Appearance:__ Chapter 612 A giant smelt-whiting mermaid and the youngest of [King Neptune](https://anilist.co/character/40271)'s children. She was first mentioned by [Pappug](https://anilist.co/character/19311), who claimed he knew her and even promised to introduce her to the Straw Hat Pirates when they arrived at Fishman Island (though later this is revealed to be a lie). She is the Ancient Weapon Poseidon.

Shirahoshi's listed gender is Female.

Shirahoshi's listed birthday is 4-4.

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