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Star Fish
Starfish or sea stars are Star polygon, star-shaped echinoderms belonging to the class (biology), class Asteroidea (). Common usage frequently finds these names being also applied to brittle star, ophiuroids, which are correctly referred to as brittle stars or basket stars. Starfish are also known as asteroids due to being in the class Asteroidea. About 1,900 species of starfish live on the seabed in all the world's oceans, from warm, tropics, tropical zones to frigid, polar regions of Earth, polar regions. They are found from the intertidal zone down to abyssal zone, abyssal depths, at below the surface. Starfish are marine invertebrates. They typically have a central disc and usually 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. Many species are brightly coloured in various shades of red or orange, while others are blue, grey or brown. Starfish have tube fee ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fromia Monilis
''Fromia monilis'', common name necklace starfish or tiled starfish, is a species of starfish belonging to the family Goniasteridae. Description ''Fromia monilis'' can reach a diameter of about . Tips of the arms and the disc center of this starfish are bright red, while the remaining parts are paler, forming large plates. Fromia monilis (Seastar).jpg Image:Fromia monilis (Sea star).jpg, In Timor. Image:Elegant Necklace Starfish (Fromia monilis) (8488880713).jpg, ''Fromia monilis'' (Sabah, Malaisia) The appearance of this sea star can be highly variable (colors, plates, presence of plates on the central disc, armpits...), and its identification using picture can be difficult, as many other species (like ''Fromia nodosa'') can have a very similar aspect. Distribution This species can be found in the Indian Ocean and Western Pacific, from the Andaman islands up to Australia and Japan. Ecology It feeds on encrusting sponge Sponges, the members of the phylum Porifera (; ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
