Mushroom Coral

About

Found across the Central Indo-Pacific, including waters off Australia and Vietnam, Rhodactis bryoides is a soft, disc-shaped mushroom coral that adapts well to the kinds of conditions many other corals would struggle with. Its textured surface, covered in small, bumpy projections that give it a moss-like appearance, which likely inspired the species name, distinguishes it from the smoother Discosoma mushrooms you might be more familiar with. In the wild it tends to colonize shaded reef areas where light penetration is limited and current is gentle, and that preference translates directly into the aquarium. This is one of the few corals you can genuinely recommend to a beginner reef keeper without much hesitation. It asks for little in the way of intense lighting or strong water movement, which makes it a practical choice for areas of the tank that more demanding corals would ignore. Like other Rhodactis species, it feeds partly through photosynthesis via its zooxanthellae and will also benefit from occasional small feedings. It tends to be tolerant of fluctuating conditions as long as extremes are avoided. Give it some space, though. Mushroom corals can expand considerably and will compete with neighbors that crowd them.