Mermaid Melody Pichi Pichi Pitch is a shōjo manga and anime series created by Michiko Yokote, with artwork by Pink Hanamori. The manga was originally published in the monthly shōjo manga anthology Nakayoshi. There are 32 chapters published and are compiled into seven volumes issued by Kodansha.
A 91-episode anime series was produced by TV Aichi, divided into two seasons, aired in Japan from April 2003 to December 2004. The first season is composed of 52 episodes, while the second, entitled Mermaid Melody Pichi Pichi Pitch Pure, lasted for 39.