Xenia are one of the few corals that have a constant pulsing motion. It makes them one of the most eye-catching corals in a reef tank. The purpose of their pulsing behavior is not well understood but the prevailing sentiment is the corals pulse to increase flow around the colony and maximize surface area for photosynthesis. Xenia are also one of the fastest growing soft corals making them a great coral for beginners on one hand but opening up the possibility of rapid infestation on the other. Despite their growth rate issues, they remain one of the most popular corals amongst reef aquarists in the hobby.