Richard E. Strassberg earned his Ph.D. in East Asian Studies from Princeton University.
Starfish are marine invertebrates. They typically have a central disc and five arms, though some species have a larger number of arms. The aboral or upper surface may be smooth, granular or spiny, and is covered with overlapping plates.bout 1,500 species of starfish occur on the seabed in all the world's oceans, from the tropics to frigid polar waters. They are found from the intertidal zone down to abyssal depths, 6,000 m (20,000 ft) below the surface.
Starfish belong to the class Asteroidea. The scientific name of a particular species consists of the Genus name followed by the species name. An example for starfish would be â¦ Asterina miniata (where Asterina is the Genus name and miniata is the species name).2 people found this useful.ell a starfish is called a starfish because,it is shaped like a star. (answer found by 10 year old Katie Shymonowicz(Shy-mon-o-witz) Katie is right, but I must add that a â¦ starfish is no longer called a starfish.