See … Sequence clusters. Adult ochre seastars have few predators, but may be eaten by sea otters and sea gulls. Taxonomy. Sequence archive. Growth and predation by the ochre sea star, Pisaster ochraceus (Brandt) in Monterey Bay, California. UniRef. Description: The Pisaster ochraceus, generally known as the Purple Sea Star or Ochre Sea Star, is a common sea star found among the waters of the Pacific Ocean. P. ochraceus is more tolerant to air exposure than others in the Pisaster genus and regularly withstands up to 8 hours exposure during low tides. Renee Sherman Mulcrone (editor). Here's my post about Pisaster ochraceus ecology and role in climate change. Want to know more about the Ochre Star: Pisaster ochraceus? Though we edit our accounts for accuracy, we cannot guarantee all information in those accounts. However, it is not a legal authority for statutory or regulatory purposes. Annotation systems. Want to see a sea urchin that lives in a high-energy wave swept environment? Help pages, FAQs, UniProtKB manual, documents, news archive and Biocuration projects. Protein knowledgebase. Disclaimer: The Animal Diversity Web is an educational resource written largely by and for college students.ADW doesn't cover all species in the world, nor does it include all the latest scientific information about organisms we describe. Binomial name: Pisaster ochraceus . Pisaster (from Greek πίσος, "pea", and ἀστήρ, "star") 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. Genus: Pisaster. ... On taxonomy and biology of the North Atlantic species of the asteroid genus Henricia (Gray). (McFadden, 2002) Contributors. Numerous species of mollusks have avoidance responses to the Ochre Sea Star, often involving moving away. x; UniProtKB. One can find many historic synonyms for P. ochraceus, including P. confertus and P. fissispinus for this species, but they are not currently used. The ochre star is also one of the only sea stars that feeds all year round. This is the most common, large intertidal sea star and it occurs in great numbers on mussel beds on exposed coasts. One study showed that less than two percent of the individuals in three local Northern California populations were “ochre” in color. One study showed that less than two percent of the individuals in three local Northern California populations were “ochre” in color. Furthermore, two subspecies were erected for P. ochraceus in 1996 (Clark) but Pisaster ochraceous is more tolerant to air exposure than any other Pisaster. The ochre star is the most air tolerant of all the Pisaster species. Species: P. ochraceus. Pisaster ochraceus, generally known as the purple sea star, ochre sea star, or ochre starfish, is a common starfish found among the waters of the Pacific Ocean.Identified as a keystone species, Pisaster is considered an important indicator for the health of the intertidal zone. TAXONOMY Kingdom: Animalia Phylum: Echinodermata Class: Asteroidea Order: Forcipulatida Family: Asteriidae Genus/species: Pisaster ochraceus GENERAL CHARACTERISTICS: Color varies from orange, violet, dark brown or mottled, but very rarely ochre. Help. TAXONOMY Kingdom: Animalia Phylum: Echinodermata Class: Asteroidea Order: Forcipulatida Family: Asteriidae Genus/species: Pisaster ochraceus GENERAL CHARACTERISTICS: Color varies from orange, violet, dark brown or mottled, but very rarely ochre. This sea star has … and what explains all the color variation in Ochre Stars?? Proteomes. 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