2d cartoon of an underwater world with coral reefs and treasure chest

underwater world cartoon azure blue mysterious atmosphere sunlight water marine life coral reef treasure chest gold coins jellyfish colorful fish aquatic scene ocean adventure vibrant colors whimsical art exploration sea animated style oceanic playful design fantasy ecosystem landscape enchanting digital depths creatures sunlit children 039 reefs depicts captivating filled variety reefs features background dark creating serene atmosphere filters casting shimmering rays illuminate surroundings schools swim gracefully small