The biOrb Green Caulerpa is inspired by the bulbous algae fronds of the Indian Ocean. Use to add interest to the base of your aquarium. A heavy round ball on the base of the plant makes it easy to sit the plant in the biOrb and holds it in place. The height of the plant is 4.33 inches / 11 cm and 5.12 inches / 13 cm in width. Suitable for all aquariums.