Hans Christian Andersen's The Little Mermaid is an anime film that premiered in spring 1975, produced by Toei Animation.

About the production: the story comes from a other, the film runs about 68 minutes and its current status is "finished".

Its main genres are drama, fantasy and romance, with themes such as Fairy Tale, Foreign, Mermaid and Classic Literature.

On AniList, Hans Christian Andersen's The Little Mermaid has an average score of 63%, an average score, and appears on 2,220 users' lists.

Marina, the most beautiful mermaid in the royal Merman family, is curious about the human world. One day, she sees a handsome prince on a boat. Suddenly, a storm comes up, throwing him into the sea. Marina saves her handsome prince and guides him to the shore. Marina falls deeply in love and desperately wants to become a human. Despite the hazards, she is willing to risk it all for love. (Source: Anime News Network)

Official synopsis from AniList.