Starfish belong to a group of marine animals called echinoderms and it is not actually fish. Starfish is known as sea star as well, which is more logical name for it. Sea Stars live in all oceans around the world and the largest population of it can be found in Indian and Pacific Oceans. They are mostly located in the shallow water or on the cold seafloor, they don’t move too much. Sea Stars have specific shape of body, they have central disc and five or more arms and that explains why are they called Starfish or Sea Star, because they live in the water and they look like a stars.
Amazingly, Sea Stars have very interesting features which make them special and different from the other marine animals. For example they have unusual feeding, they eat with their stomach inside-out. Sea Stars have eyes on each arm and they don’t see colors, they can reproduce sexually and asexually by regeneration and loosing one arm. The most interesting about Sea Stars is that they have no brain nor blood and they cannot survive in fresh water. Starfishes move using their tube feet, which are filled with sea water and they can move quicker than you might expect.