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1999 California Academy of Sciences
CalPhotos
ochre starfish with food
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1999 California Academy of Sciences
CalPhotos
sea stars with purple sea urchins
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2006 California Academy of Sciences
CalPhotos
Photographed at 16 m. This sea star is a predator of clams, snails, and sand dollars. Also, they scavenge on dead fish and squid.
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1999 California Academy of Sciences
CalPhotos
sea star
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2005 California Academy of Sciences
CalPhotos
We found this Pisaster scavenging on the remains of a bony fish near a wharf. A dead fish obviously had been thrown from the wharf and thus became available to a seastar that could not have caught the living animal. Depth 16 m.
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2005 California Academy of Sciences
CalPhotos
With tube feet attached, Pisaster slowly moves its captured prey along one arm toward the mouth. The seastar then turns the snail so it can insert its stomach through the shell's aperture and digest the snail. The shell, with a barnacle attached, later will be discarded. The encounter was set up in our home aquarium.
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1999 California Academy of Sciences
CalPhotos
sea star
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Pisaster ochraceus (Brandt, 1835) Common Names: Ochre sea star, Purple sea star Individual found at Swirl Rocks, WA in the mid-intertidal zone. Top view, approximately 40 cm in diameter. Photo by: Melissa McFadden, June 2002.
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This subtidal seastar frequently has its papulae out, which makes the rays appear smooth and gelatinous as seen here. The aboral ossicles form spines which are single, clustered, or in a network. Photo by Dave Cowles, July 2005
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There are no large marginal plates on the rays. A row of small spines can close over the ambulacral grooves. Photo by Dave Cowles, July 2005
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Pisaster brevispinus, found off Northwest Island, Rosario Bay. Ruler is 12 inches (30 cm). (Photo by: Dave Cowles, July 2005)
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Pisaster ochraceus, oral viewPisaster ochraceus (USNM E45306), collected from Taboga Island, Panama Bay, Gulf of Panama, eastern Pacific, North Pacific Ocean.
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Pisaster ochraceus, aboral viewPisaster ochraceus (USNM E45306), collected from Taboga Island, Panama Bay, Gulf of Panama, eastern Pacific, North Pacific Ocean.