A mesmerizing underwater scene with vibrant coral reefs and an array of beautiful jellyfish graceful

a mesmerizing underwater scene with vibrant coral reefs and an array of beautiful jellyfish gracefully swimming in the crystal-clear waters. the focus is on the face, with a colorful fantasy realism style, resembling a vibrant cartoon. the water is hyper-realistic, and the detailed marine life is set against an undersea cave backdrop, creating a highly realistic impression --ar 3:4 --v 7