The video shows a green moray eel swimming in the ocean. The eel is seen moving around the coral reefs and rocks, with its body undulating smoothly through the water. The eel's skin is a vibrant green color, and it has a long, slender body with a pointed snout. The surrounding environment is a vibrant coral reef with various colors and textures, including red, orange, and purple corals. The water is clear, and the lighting is natural, suggesting that the video was taken during the day.