Its class is Astroidea and its phylum is Echinadermata.

They eat Muscles,sea snails, and sea urchins.

Its predators are Sea Otters and I don't know any other ones.

Its habitat is the Kelp forest.

Some of its closests relatives are sea urchins and sand dollars.

It's range is Sikta, Alaska to Baja, California.

Did you know that Seastars can have 10 legs.

The seastars maximum size is 230 millismeters and its color can range from red to blue.

Some humans keep Starfish as pets.