The video shows a dolphin swimming in the ocean. The dolphin is grey in color and has a small green object in its mouth. The water is clear and blue, and the dolphin is the only visible creature in the video. The dolphin moves gracefully through the water, occasionally turning its head to look at the camera. The green object in its mouth appears to be a piece of seaweed or a small fish. The dolphin's eyes are black and shiny, and its dorsal fin is visible above the water's surface. The video is shot from an underwater perspective, giving a clear view of the dolphin's movements and expressions.