The video showcases a vibrant underwater scene in an aquarium. The main focus is on a large sea anemone with long, wavy tentacles that are a pale purple color. The anemone is situated on the sandy bottom of the tank, surrounded by various corals and rocks. A small shrimp with a striking red and white striped body is seen moving around the anemone. In the background, there are several other fish swimming around, including a yellow tang and a clownfish. The water is clear, and the lighting highlights the colors of the marine life.