Asterina stellifera is one of thirty species of small bat star in the genus
Asterina. It is mainly found on the east coast of South America, ranging from Cabo Frio, Brazil to Mar del Plata, Argentina. In the past decades, their numbers have depleted and are currently abundant only in the southern limit of its former range. Due to this decline, it is on Brazil’s endangered species list. It has a slow growth rate and relatively...
(Wikipedia)