Patiria chilensis: Difference between revisions
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==Ecology== |
==Ecology== |
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''P. chilensis'' occurs in the rocky intertidal zone in temperate seas off the coast of Chile. It is mainly present in the lower algal zone, dominated by the kelps ''[[Lessonia nigrescens]]'' and ''[[Durvillaea antarctica]]'' and various encrusting [[coralline algae]]. Echinoids occurring in this zone include ''[[Loxechinus albus]]'' and ''[[Tetrapygus niger]]'', and starfish include ''[[Stichaster |
''P. chilensis'' occurs in the rocky intertidal zone in temperate seas off the coast of Chile. It is mainly present in the lower algal zone, dominated by the kelps ''[[Lessonia nigrescens]]'' and ''[[Durvillaea antarctica]]'' and various encrusting [[coralline algae]]. Echinoids occurring in this zone include ''[[Loxechinus albus]]'' and ''[[Tetrapygus niger]]'', and starfish include ''[[Stichaster striatus]]'', ''[[Meyenaster gelatinosus]]'' and the dominant ''[[Heliaster helianthus]]''. These starfish are the dominant carnivores in this zone and seem to play an important role in maintaining the community structure.<ref name=Jangoux>{{cite book|author1=Jangoux, Michel |author2=Lawrence, John M. |title=Echinoderm Nutrition |url=https://books.google.com/books?id=uXxSdaYWPG4C&pg=PA530 |year=1982|publisher=CRC Press |isbn=978-90-6191-080-0 |pages=530–531}}</ref> Besides being a predator of sessile organisms, ''P. chilensis'' is an opportunistic feeder, scavenging for dead animal matter and [[detritus]]. It is a small species, and avoids being preyed on by the larger starfish by tending to remain in concealed locations.<ref>{{cite book|author1=Jangoux, Michel |author2=Lawrence, John M. |title=Echinoderm Nutrition |url=https://books.google.com/books?id=uXxSdaYWPG4C&pg=PA537 |year=1982|publisher=CRC Press |isbn=978-90-6191-080-0 |page=128, 537–538}}</ref> |
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==References== |
==References== |
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Revision as of 08:31, 9 June 2018
| Patiria chilensis | |
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| Species: | P. chilensis
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| Patiria chilensis (Lutken, 1859)[1]
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Patiria chilensis is a species of starfish in the family Asterinidae. It is found in the southeastern Pacific Ocean along the coasts of South America.
Ecology
P. chilensis occurs in the rocky intertidal zone in temperate seas off the coast of Chile. It is mainly present in the lower algal zone, dominated by the kelps Lessonia nigrescens and Durvillaea antarctica and various encrusting coralline algae. Echinoids occurring in this zone include Loxechinus albus and Tetrapygus niger, and starfish include Stichaster striatus, Meyenaster gelatinosus and the dominant Heliaster helianthus. These starfish are the dominant carnivores in this zone and seem to play an important role in maintaining the community structure.[2] Besides being a predator of sessile organisms, P. chilensis is an opportunistic feeder, scavenging for dead animal matter and detritus. It is a small species, and avoids being preyed on by the larger starfish by tending to remain in concealed locations.[3]
References
- ^ a b Mah, Christopher (2018). Mah CL (ed.). "Patiria chilensis (Lutken, 1859)". World Asteroidea database. World Register of Marine Species. Retrieved 8 June 2018.
- ^ Jangoux, Michel; Lawrence, John M. (1982). Echinoderm Nutrition. CRC Press. pp. 530–531. ISBN 978-90-6191-080-0.
- ^ Jangoux, Michel; Lawrence, John M. (1982). Echinoderm Nutrition. CRC Press. p. 128, 537–538. ISBN 978-90-6191-080-0.