The Actinodiscus Mushrooms . They were previously in a genus called Discosoma. These invertebrates display a wide variety of colors, textures, and patterns. The red specimens can vary from a light pinkish purple to a vivid red.
They are hardy and easy to maintain. They need a medium light level and should be placed lower in the aquarium. The Actinodiscus Mushrooms prefer a low water flow.
An Act. Mushrooom gets its nutritional requirements through the photosynthesis of the symbiotic algae zooxanthellae which it hosts.