HELIASTER HELIANTHUS PDF

We'd like to understand how you use our websites in order to improve them. Register your interest. Patterns of feeding in a population of Heliaster helianthus Lamarck , a common and dominant species of starfish indigenous to the Pacific South American coast, were investigated in an intertidal habitat in central Peru from October to April The H.

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The sun star Heliaster helianthus is a species of Asteroidea starfish in the family Heliasteridae. It is found in shallow water rocky habitats and in the kelp forests off the Pacific coast of Ecuador, Peru and Chile. The aboral upper surface is brown with reddish tubercles while the oral under surface is white or yellowish-white.

The disc is broad and the ossicles plate-like components in the skin in the proximal parts of the arms closest to the disc are connected to those of the neighbouring arms by connective tissue , forming inter-arm septa. This means that only a small part of each arm is free, the rest appearing to form part of the disc. This species is present in the southeastern Pacific Ocean, along the west coast of South America.

Its range includes Ecuador, Peru and Chile, and it is the only species in its genus present in Chile where it is easily observed on rocks in shallow water. In general, small individuals are eaten whole and large individuals are immune from attack, but medium-sized individuals lose arms by autotomy.

Having trapped its prey, M. From Wikipedia, the free encyclopedia. Heliaster helianthus Scientific classification Kingdom: Animalia. Lamarck , [1]. World Register of Marine Species. Retrieved 10 June Revista Chilena de Historia Natural in Spanish.

Echinoderm Research CRC Press. Hidden categories: CS1 Spanish-language sources es Articles with 'species' microformats Commons category link from Wikidata. Namespaces Article Talk. Views Read Edit View history. Contribute Help Community portal Recent changes Upload file. In other projects Wikimedia Commons Wikispecies. By using this site, you agree to the Terms of Use and Privacy Policy. Heliaster helianthus Lamarck , [1]. Asteracanthion helianthus Lamarck, Asterias helianthus Lamarck, Stellonia helianthus Lamarck,

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Category:Heliaster helianthus

The Heliasteridae are a family of Asteroidea sea stars in the order Forcipulatida. It includes two genera: Heliaster from the East Pacific California to Chile , including offshore islands , and Labidiaster from southernmost South America, Antarctica and subantarctic oceans. The World Register of Marine Species includes two genera and seven species within the family Heliasteridae: [1]. From Wikipedia, the free encyclopedia. Viguier, [1]. Mah CL ed.

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