Where do echinoderms live?

all echinoderms live in salt water like in oceans and seas. They are in every ocean. Most adult echinoderms live on the ocean floor in salt water feeding on different sea animals. Many echinoderms can be found in tide pools along beaches or in oceans. the tide pools can support a variety of echinoderms and is changed every time the tide goes out.

There are sea stars under the ice in the Antarctic and up in the north, Bering sea and around parts of northern Europe. Many are meat eating predators while some are grazers of algae.