Schmidel's Little-cushion
Culcita schmideliana, commonly known as the spiny cushion star, is a species of pin-cushion star. It has a variety of base colors and often patches of a different color. It is pentagonal in shape and lives in the tropical Indo-Pacific. This species is rarely kept by hobby aquarists.
Culcita schmideliana. Retrieved May, 22 2023, from en.wikipedia.org/wiki/Culcita_schmideliana.