In the video, a person is seen holding a green coral with many small bumps on it. The person is holding the coral in front of a fish tank, which is filled with water and various types of coral and fish. The person is moving the coral around, possibly to show it to the camera or to the fish in the tank. The fish are swimming around the tank, and the coral in the tank is of different shapes and sizes. The water in the tank is clear, and the lighting is bright, making the colors of the coral and fish stand out.