always
They don't have to sleep.
well starfish can sleep up to 12 hours like humans,but they dont have to sleep...
They sleep hidden beneath sand, keeping quiet.
yes they do they hide under the sand and stay very quiet
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