Echinoderms include star fish, sand dollars, urchins, sea lilies, and sea cucumbers. Echinoderms are strictly limited to marine species. They are different from other sea creatures in that they have a water vascular system with tube feet. Their water vascular system helps with feeding, gas exchange, and movement through a system of hydraulic canals. They have radial symmetry (their many equal parts radiate out from the center like spokes of a wheel) just like Cnidarians (Corals and Anemones). Their symmetry involves multiples of five at some point in their life stage. For example, we are used to seeing sea stars with 5 arms, but some species can have as many as 50
The Ocellaris clownfish are great hardy beginner saltwater fish. Clownfish do not have to have anemones to live in but may host in LPS corals like Frog Spawn and some soft corals if an anemone is not provided. Ocellaris clownfish are commonly thought of as a Clown that has an orange base color with three white vertical stripes on its body and black tips on the fins. There is a morph to the Clownfish species that has beautiful black color instead of the orange.