Tiny organisms can be swallowed whole. It has a variety of base colors and often patches of a different color. The digested material enters the sea starâs stomach. Also known as the Chocolate Chip Cookie Sea Star. Enzymes from the sea starâs stomach digest the prey. Sea stars are part of an interesting group of animals. The toothlike plates that surround an urchinâs mouth are called âAristotleâs lantern.â 3. For a chance to see these adorable starfish, look under rocks or in crevices in rockpools. Tips to keep in mind for World Mental Health Day It is pentagonal in shape and lives in the tropical Indo-Pacific. 2. Pisaster brevispinus, commonly called the Pink Sea Star, Giant Pink Sea Star, or Short-spined Sea Star, is a Pacific Ocean sea star.It is most commonly known for being the basis of the character Patrick from SpongeBob Squarepants. Diet of the Sea Urchin. 1. Other articles where Cushion star is discussed: sea star: Cushion stars, of the circumboreal genus Pteraster, are plump five-rayed forms with raised tufts of spines and webbed, short, blunt arms. Blog. Starfish use filtered sea water to pump nutrients through their nervous system. The diet of the Biscuit starfish consists of algae, sponges or sea squirts. Terumbu Ular, Apr 06: The Eight-armed sand star has more than five arms. The roughly 1,600 living species of sea stars occur in â¦ The Biscuit Sea Star is found in Sydney, Victoria, South Australia, Western Australia, and Tasmania. 3. Despite their older common name, they are not fishes. Oct. 14, 2020. Sea stars occupy every type of habitat, including tidal pools, rocky shores, sea grass, kelp beds, and coral reefs. These interesting facts about the starfish, will not only amaze you, but give you some good information as well. Starfish may look harmless but they are actually slow-moving hunters. The Brown Tipped starfish has an interesting appearance. It is one of the interesting facts about Starfish. Found singly or in groups over rubble and sandy areas of coral and rocky reefs. Sea stars actually belong to the class âAsteroideaâ. Click Here for more Animal Facts for Kids. Cushion Sea Star. Sea urchins mainly graze on algae and undersea vegetation, such as kelp. Feeding and diet. 4. Also known as the Cushion Star. The pin cushion appearance extends from a round inner shell, called a âtest." 5. A small, thick starfish with five short arms, the cushion star is found on all western and southern coasts of the UK. The large Knobbly sea star is an icon of Chek Jawa. They have thick arms and come in a variety of colors, usually a contrasting pattern of yellows, oranges, browns and reds and occasionally green. The oldest sea star fossils are 444 million years old, a time when the first animals were only just venturing onto land. Interesting Facts About the Sea Star. The Cushion Sea Star is found in the Oceania, Indo-West Pacific region growing up to 30cm in length. Increased acidity in the oceans is likely to threaten brittle star larvae. Although these creatures cannot swim, they are very good at crawling and can walk up strands of seaweed and climb down the sides of rocks. One of the most beautiful and interesting larvae is that of the seven armed starfish, which resembles a shooting star. Theyâre actually related to sand dollars and sea urchins. They are incredibly unique in shape, and have interesting mobility and feeding methods. Sea urchins feed by grabbing and biting with their five teeth. By Richard Smith posted Jul 30th, 2015 at 12:32pm.