The video shows a vibrant underwater scene with a clownfish swimming among the tentacles of a sea anemone. The clownfish is orange with white stripes and is seen moving around the anemone, which is a light brown color with long, thin tentacles. The background consists of various corals and rocks, creating a colorful and diverse marine environment. The clownfish appears to be searching for food or exploring its territory, while the sea anemone sways gently in the water current.