Some species take up to a year to replace a lost limb. Handicapped Stars: Sea stars are famous for their ability to regenerate lost arms. Most brittle stars are much smaller than sea stars, although some have very long arms. Unlike sea stars, brittle stars have very flexible and long arms attached to a small central disk. Each arm is usually tipped with one or more sensory tube feet, and an eye spot that detects light and dark but does not form an image. Some kinds of sea stars are really flat, others may have more cylindrical arms, and some are so round that they look like cushions. However, sometimes, you might come across a sea star with fewer than five arms. Most species of sea stars have five arms, although some may have more. Others have arms that are so short they look like pentagons. Some sea stars seem to be all arms with long narrow arms and a small central disk. Like other echinoderms, sea stars are symmetrical along five axes, have a spiny skin and tube feet.Īn Armful: Sea stars have arms that blend into one another before joining the central disk. Sea stars form the second largest group of Echinoderms after the brittle stars (Subclass Ophiuroidea).įeatures: Almost everyone knows what a sea star looks like! 'Asteroidea' means 'star-like'. There are about 1,800 known species of sea stars, of which about 300 are found in shallow waters. Sea stars belong to the Phylum Echinodermata and Subclass Asteroidea. What are sea stars? Although often called starfish, these creatures are not fish at all! So it is more correct to call them sea stars. Some sea stars are small and well hidden. But our Northern shores appears to have the richest variety of sea stars. Even the most "beat up" shore will have some kind of sea star. Where seen? Sea stars are encountered on most of our shores. ★ Explore an underwater world full of desert islands, sunken cities and treasure-laden shipwrecks.Sea stars are encountered on most of our shores. ★ Start as Dante the dolphin and swim as far as you can to explore this colorful world and complete the fun missions You start as Dante the dolphin but there are many Sea Stars to collect!
Dive deep to pick up speed and leap from the water to somersault and avoid the angry jellies and rocket crabs along your path. One touch controls are all you need to guide the incredible Sea Stars through a sea full of coins and underwater dangers.
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