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Pisaster giganteus, the giant sea star, giant spined star, or knobby sea star is a species of sea star that lives along the western coast of North America from Southern California to British Columbia. It makes its home on rocky shores near the low tide mark. It preys on mollusks. It can grow as large as 24 in (61 cm) in diameter.
Pisaster (from Greek πίσος, "pea", and ἀστήρ, "star" [1]) is a genus of Pacific sea stars that includes three species, P. brevispinus, P. giganteus, and P. ochraceus. Their range extends along the Pacific coast from Alaska to southern California in the intertidal zone.
Pisaster ochraceus, generally known as the purple sea star, ochre sea star, or ochre starfish, is a common seastar found among the waters of the Pacific Ocean. Identified as a keystone species , P. ochraceus is considered an important indicator for the health of the intertidal zone .
P. giganteus may refer to: Pisaster giganteus , the giant sea star, a sea star species found along the western coast of North America Pteropus giganteus , the Indian flying-fox, a bat species found in Bangladesh, China, and India
The leg of this Pisaster ochraceus sea star in Oregon is disintegrating as a result of sea star wasting syndrome. Sea star wasting disease or starfish wasting syndrome is a disease of starfish and several other echinoderms that appears sporadically, causing mass mortality of those affected. [1]
Location and habitat [ edit ] They occur predominantly on deep-water continental shelf habitats (but a part of them inhabit shallow waters) [ 3 ] in all the world's oceans, being the most diverse in the Indo-Pacific region.
Pisaster brevispinus, commonly called the pink sea star, giant pink sea star, or short-spined sea star, is a species of sea star in the northeast Pacific Ocean. It was first described to science by William Stimson in 1857. [1] The type specimen was collected on a sandy bottom, 10 fathoms (18 m) deep, near the mouth of San Francisco Bay.
Kelletia kelletii, common name Kellet's whelk, is a species of large sea snail, a whelk, a marine gastropod mollusc in the whelk family Austrosiphonidae. [3] [4] [5] [6]Kelletia kelletii is a large scavenger [5] [7] and predatory sea snail commonly found in subtidal kelp forests, rocky reefs, and cobble-sand interfaces at depths ranging from 2 to 70 m from Isla Asunción, Baja California ...