BISCUIT STARFISH
Biscuit starfish (Tosia queenslandensis): it has a distinctive polygonal shapes across its back and it is glowing bright red/orange starfish.
HOW IT FEEDS
It scavenges the floor for meaty foods including sponges, sea squirts and some algae.
ADAPTATIVE FEATURES
The starfish is susceptible to changes in water quality and it adversely react in any slight change in the quality of the water
ITS BENEFIT
It can serve as a cleaning member of one's tank by feeding on the algae inside the tank.