Yes, they do, its just at a very slow speed. you have to take pictures at long intervals and play them at a speed to see it well.
Not usually, they basically just find their prey, open their stomaches up, and by the end of that process the starfish's meal is already digested.
Starfish can either spawn together with eggs and sperm or they can reproduce by themselves. A new starfish can form from a separated part which is considered reproduction. They don't exactly have mating behaviors though.
there are cusion starfish, reef starfish, spiny starfish and fire brick starfish in new zealand.
It is called toilet water.
Yes they can
Sure, starfish larvae are planktonic. Adult starfish are not.
Starfish Ancestors
they are starfish that is spiny
a starfish from the carribean?
sunflower starfish
it is a starfish which is married
Sharks, fish and manta rays are predators of the starfish. Larger starfish also prey on and attack smaller starfish.