Is manaphy a boy or girl?

Manaphy is considered a genderless Pokémon, meaning it does not have a specific male or female designation. In the Pokémon games and lore, it is classified as a mythical Pokémon and is known for its ability to breed with Ditto to produce Phione, which is a different Pokémon. This unique trait contributes to Manaphy's genderless classification.