Over 2,000 species have been found!!!!!!!
IMPROVEMENT:
1,800 , actually...
It's a common starfish. -- There is actually no such thing as a "starfish", as they are not fish. They are Sea Stars. There are many different kinds, but they are all sea stars and not starfish.
there are about 2000 different kinds of sea stars or starfish in the ocean left
Thier is five kind of Echinoderms, their is sea stars, brittle stars, sea cucumbers, sea urchins, and sand dollars.
The two kinds of structures scattered between the spines of sea stars are pedicellariae, which are tiny pincer-like organs used for protection and cleaning, and dermal branchiae, which are small gills that help with respiration.
As many stars are there in the sky.
Sea star or starfish (Asteroidea)Brittle stars, basket stars, serpent stars (Ophiuroidea)Sea urchins, heart urchins and sanddollars (Echinoidea)Holothurians or sea cucumbers (Holothuroidea)Feather stars and sea lilies (Crinoidea).
200 types
Includes: Sea Stars, Sea Lillies, Sea Urchins, Sea Cucumbers, Brittle Stars
Sea stars are prey of sea turtles, basking sharks, sun fish, and many other sea animals.
3
sea stars have NO brains
there are 7 kinds of sea turtles that live in the world. 6 breed in the great barrier reef! save the sea turtles!