Solaster stimpsoni is a large species, growing up to 50 cm in diameter. It can have 8 to 12 arms, but usually has 10. 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. 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.
Solaster stimpsoni usually lives on rocky surfaces in the subtidal, and occasionally the low intertidal zones, at depths from 0 to 610 metres.
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.
- "WoRMS - World Register of Marine Species - Solaster stimpsoni Verrill, 1880". Marinespecies.org. 2008-01-24. http://www.marinespecies.org/aphia.php?p=taxdetails&id=292729. Retrieved 2012-02-13.
- Dave Cowles. "Solaster stimpsoni". Wallawalla.edu. http://www.wallawalla.edu/academics/departments/biology/rosario/inverts/Echinodermata/Class%20Asteroidea/Solaster_stimpsoni.html. Retrieved 2012-02-13.
- Joan Gerteis. "Solaster stimpsoni". Beachwatchers.wsu.edu. http://beachwatchers.wsu.edu/ezidweb/animals/Solasterstimpsoni.htm. Retrieved 2012-02-13.
- "AFSC/RACE - Sun Sea Star, Solaster stimpsoni". Afsc.noaa.gov. 2006-12-06. http://www.afsc.noaa.gov/kodiak/photo/starsola.htm. Retrieved 2012-02-13.
- "Solaster stimpsoni | Marine Biodiversity of British Columbia". Bcbiodiversity.lifedesks.org. http://bcbiodiversity.lifedesks.org/pages/20522. Retrieved 2012-02-13.
- "The World Asteroidea Database - Solaster stimpsoni Verrill, 1880". Marinespecies.org. 2008-01-24. http://www.marinespecies.org/Asteroidea/aphia.php?p=taxdetails&id=292729. Retrieved 2012-02-13.
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