Kids film. Which is centered underwater. After the kid turns into like a fish it mermaid the movies underwater segments are all animated. But when it is not any of the underwater scenes it was in live action. Please help me find this it was the first movie I watched like this.

When Sosuke, a young boy who lives on a clifftop overlooking the sea, rescues a stranded goldfish named Ponyo, he discovers more than he bargained for. Ponyo is a curious, energetic young creature who yearns to be human, but even as she causes chaos around the house, her father, a powerful sorcerer, schemes to return Ponyo to the sea.

Doctor Gia searches for the meaning in life through extraordinary events in the ER where he works.

The lives of teenagers Emma, Cleo and Rikki are forever changed when a magical, forbidden island gives them the power to turn into mermaids.

When a plane crashes at sea, dolphins rescue a little boy and raise him as family. He lives a carefree life beneath the waves until an evil monster seizes power over the underwater world. Banished to dry land, the boy is taken in by a kind-hearted captain. With his new companion's help, the boy embarks on a journey to solve the mystery of his true identity.

In this "half-fish" out-of-water animated adventure, a mermaid princess makes a bargain with a sea witch to become human.

Three children are accidentally transformed into fish after consuming a potion made by an eccentric scientist. The kids end up in the sea, with one problem: they must find and drink the antidote within 48 hours, or forever remain as fish.

This charming, lively tale based on Hans Christian Anderson's beloved children's story comes to splendid life in an enchanting animated film. The beautiful and adventurous mermaid, Princess Lena, lives with her family in a watery castle and has everything she could ever need, but she longs for only one thing; to explore the world of humans. Determined to marry Prince Stefan, whom she sees when a whirlpool takes her to the surface, Princess Lena must turn to the evil sea witch Cassandra and pay a heavy price for her promise of help.

Told with cut-out puppets and sand animation, 'Mermaid' is the story of Carl and Doris, the darlings of marine biology whose marriage becomes strained under the weight of the giant squid. A film resplendent with love, betrayal, and crustaceans.

The adventures of a kind-hearted mermaid who saves a captain's daughter from the stormy ocean, despite the Sea-God's warning not to intervene in the affairs of mortals. However when the captain needs her help again, the mermaid princess must choose between following the laws of the ocean and saving her new human friends from a band of pirates and a dangerous island giant.

This is a fairytale about two boy-dolls who happen to be in the underwater world in the middle of fish and other habitants of the bottom of the ocean.