Some are and some aren't.
I only know of Marine Star fish.
some star fish live in salt water
As a decoration, maybe. As a living entity--NOPE.
yes it can. it will die if you want to put it. it will harden and die
No cos gold fish are cold water fish and star fish are sea water
Yes, If another fish was to eat the star fish whilst underwater then the star fish would die.
Star fish can survive about 5 days out of water. Then they will die from Dehydration.
No, they live in any other land or water area except for fresh water.
Starfish may reproduce either sexually or asexually. When asexual reproductiontakes place, the animal breaks itself into two pieces. ...jrscience.wcp.muohio.edu/fieldcourses03/ OutlinemarineecologyArticles/Starfish.Firstsubmission.html
they breath in water and the oxygen from the water they take
it stays in water and live
You can put a star fish in your garden if you want it to burn up and die, starfish need water!