Purple sea urchin test or shell

Test size: 8-9 cm. Color: violet. Origin: philippines. The urchins are a group of marine animals, forming the echinoidea class within the branch of the echinoderms. They are also called by scientists echinoids or echoids. They are rounded invertebrates with a body covered with quills, which is sometimes referred to by analogy, by the popular expression of sea hedgehogs and more rarely by the aged expression of sea chestnuts.

Ref. : CS345JAJ