It eats especially sessile life forms include hard corals and sponges in aquarium.
they eat mussels
no
Giant Sea Star (Pisaster giganteus) a/k/a Knobby Sea Star. Detail of the arm tip showing the optic cushion or "eye spot". Most sea stars have such a cluster of red-pigmented, light-sensitive cells at the tips of the arms. These optic structures do not actually form an image in the manner of a mammalian eye, but do allow the sea star to detect light and sense changes in its environment. Pillar Point.
seaweed
no!
alge.
clams
=A sea star really does not eat anything. If there is moss or algae on the item the sea star is clinging to, it will suck those up.=
Birds and sea otters, will eat sea stars.
They eat clams and musels.
no, a sea star needs so eat in order to survive, and it cannot use the sun for sugar and nutrients.
Scale Worms eat scraps of sea star's meals.