Fantasy underwater world, full of magical creatures and bright colors

Fantasy underwater world, full of magical creatures and bright colors. There are lovely mermaids with long hair swimming around, with sparkling tails, rushing past unique origami jellyfish, emitting soft light, which illuminates the mysterious corners of this underwater kingdom. Mystical fish play in the water, shimmering with all the colors of the rainbow. There is an indescribable feeling of magic and peace floating around this magical landscape.."