Stichodactyla gigantea, commonly known as the giant carpet anemone is a species of sea anemone that lives in the Indo-Pacific area, with a diameter usually no larger than 50 centimetres (1.6 ft) and a maximum of 80 centimetres (2.6 ft). It can be kept in an aquarium but is a very challenging species to keep alive and healthy for more than 3–5 years.