Aqua appears in the ocean when Akari, Ruby, Labra, Miria, Garnet, Sango, Sara and Sapphie to search the rainbow pearl for the exam.
He hates it when someone call him a Goldfish then a Clownfish. When people call him a goldfish he mutiplies and yells at them. He makes sure that his part of the ocean was ocean is clean and is safe. In the grand prix Miria was to make a dress of water and her competition made a sea of water, and Aqua seem to have swim by. Also, in the end when Akari won the Grand prix Aqa was in the crowd, in a bubble cherring.