Cushion star

Cushion stars can be identified by their round bodies, which lack the characteristic five arms of other starfish. Juveniles of this species are star-shaped, but as they reach maturity their arms become less prominent, resulting in an appearance that more resembles a bread roll.

Scientific Name
Culcita novaeguineae
Order: Valvatida, Family: Oreasteridae
South of the Nansei Islands, Indian Ocean, western Pacific Ocean