There is a whole Disney/Pixar movie in here about a young suckerfish who doesn't pay attention to his parents and gets left behind the first time the whale brea

There is a whole Disney/Pixar movie in here about a young suckerfish who doesn't pay attention to his parents and gets left behind the first time the whale breaches, and then tries to catch up with them, learning from new friends and hitching a ride with a friendly young dolphin along the way.