The video shows a shark swimming in the ocean. The shark is grey in color and has a long tail. It is swimming near a coral reef that is covered in various types of coral and seaweed. The water is clear and blue, and the sunlight is shining through, creating a beautiful underwater scene. The shark moves gracefully through the water, its fins and tail propelling it forward. The coral reef is vibrant and colorful, with different shapes and sizes of coral and seaweed. The video captures the beauty and tranquility of the underwater world.