The Mushroom Polyp - Ricordea Yuma Green and Pink looks awesome in any saltwater tank. These corallimorphs are covered with short tentacles which are colored in shades of green and pink. The Yuma Mushroom has short tentacles which are club or berry shaped. It is semi aggressive in nature as compared to other marine aquarium invertebrates. It is recommended to keep the Mushroom Coral away from other corals just to avoid the aggression in the aquarium. It needs low water flow and moderate illumination. They can be placed anywhere in your marine aquarium. Often, you will find them closed when you introduce it into the tank. Once the Mushroom gets acclimated to the environment, it will open up within a few days. If there is bright light in the aquarium, the coral has to be kept at the bottom of the reef tank. The brightness and vibrancy of the colors is absolutely stunning and outstanding. It must be seen under actinic lighting when its fluorescence property enhances its beauty, it looks amazing. The photosynthesis process provides the major nutrition to the Mushroom coral and, additional feeding is not necessary but will supplement growth.