The difference between Physogyra and Plerogyra is that Plerogyra have rounder tissue vesicles. In Physogyra, on the other hand, these usually have a zipper-shaped protuberance. Aquaristically, almost only the species Physogyra lichtensteinii is common, although there are other species such as P. astraeiformis, P. exerta, P. gravieri and P. somaliensis. Gray and green color forms exist, rarely with speckles. In export the gray variants are often called "pink", but this is a strong euphemism and does not correspond to reality.
In husbandry, one must pay attention to injuries, especially during handling. Physogyra can also develop fighting tentacles, so distance to other corals must be kept - despite the similarities, even to Euphyllia and Plerogyra. They require moderate light and like higher nutrient levels. The current should be gentle and in no case direct, so as not to injure the delicate bubbles. Since mainly larger specimens are found in nature, most animals in the trade are fragmented, i.e. sawed. However, this is rarely a problem if aquarium conditions are not catastrophic.