Solaster stimpsoni | |
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Scientific classification | |
Kingdom: | Animalia |
Phylum: | Echinodermata |
Class: | Asteroidea |
Order: | Valvatida |
Family: | Solasteridae |
Genus: | Solaster |
Species: | S. stimpsoni |
Binomial name | |
Solaster stimpsoni Verrill, 1880 | |
Synonyms | |
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Solaster stimpsoni, common names Stimpson's sun star, sun star, orange sun star, striped sunstar, and sun sea star, is a species of starfish in the family Solasteridae. [1] [2] [3] [4] [5] [6]
Solaster stimpsoni is a large species, growing up to 50 cm in diameter. It can have 8 to 12 arms, but usually has 10. [2] The aboral surface has a distinctive reddish orange colour and is covered with thick paxillae. The arms are long, slender, and tapering, each with a dark, purplish-grey contrasting stripe, running from the centre of the body to the tip. [5] They contain no pedicellariae. The underside of the arms have two rows of tube feet.
This species is found in the seas of Japan, and along the western coast of the United States, from central California, to as far north as Alaska. [4]
Solaster stimpsoni usually lives on rocky surfaces in the subtidal, and occasionally the low inter-tidal zones, at depths from 0 to 610 meters.
This starfish feeds on various small sea cucumbers, such as Cucumaria miniata , Cucumaria curata , Eupentacta quinquesemita , Eupentacta pseudoquinquesemita , and Psolus chitonoides . It also eats brachiopods, ascidians, or sea pens.
Solaster stimpsoni is eaten by a close relative, Solaster dawsoni , the morning sunstar. [3]
William Stimpson was a noted American scientist. He was interested particularly in marine biology. Stimpson became an important early contributor to the work of the Smithsonian Institution and later, director of the Chicago Academy of Sciences.
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