Biology:Eucidaris thouarsii
| Eucidaris thouarsii | |
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| Eucidaris thouarsii in the Gulf of California | |
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| Species: | E. thouarsii
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| Eucidaris thouarsii (Agassiz & Desor, 1846)
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Eucidaris thouarsii, the slate pencil urchin, is a species of cidaroid sea urchins that inhabits littoral regions of the East Pacific Ocean.[1][2]
Distribution and habitat
Eucidaris thouarsii is found in the East Pacific at depths of 0–45 m (0–148 ft), ranging from Baja California to Panama, as well as Cocos Island, Clipperton Island and the Galápagos Islands.[3][4][5] The Galápagos, Clipperton and Cocos populations are now often recognized as a separate species, E. galapagensis, instead of a subspecies of E. thouarsii.[6]
Diet
Like all urchins these are primarily herbivores, but feed on a wide range of invertebrates.[7] This species has a high nutrient absorption efficiency when it comes to the coral Pocillopora damicornis, but would require a large intake to make nutrient requirements.[8] Due to its high intake of coral, it reduces reef growth.[9]
References
- ↑ Encyclopedia of Life. "Details for: Eucidaris thouarsii". Encyclopedia of Life. http://eol.org/pages/600977/. Retrieved 2013-07-23.
- ↑ "Details for: Eucidaris thouarsii". World Echinoidea Database. http://www.marinespecies.org/echinoidea/aphia.php?p=taxdetails&id=513266. Retrieved 2013-07-23.
- ↑ Glynn, Wellington, and Birkeland (1979). Coral reef growth in the Galapagos: limitation by sea urchins. Science. 203(4375): 47-49.
- ↑ Natural History Museum: Eucidaris thouarsii. The Echinoid Directory. Retrieved 11 September 2014.
- ↑ Reyes-Bonilla, and Calderon-Aguilera (2002). Population Density, Distribution and Consumption Rates of Three Corallivores at Cabo Pulmo Reef, Gulf of California, Mexico. Marine Ecology 20(3-4).
- ↑ Lessios, Kessing, Robertson, and Paulay (1999). Phylogeography of the pantropical sea urchin Eucidaris in relation to land barriers and ocean currents. Evolution 53: 806-817.
- ↑ Baumiller, Tomasz K. (2008). "Crinoid Ecological Morphology". Annual Review of Earth and Planetary Sciences 36: 221–49. doi:10.1146/annurev.earth.36.031207.124116. Bibcode: 2008AREPS..36..221B.
- ↑ Lawrence, John M.; Glynn, Peter W. (1984-01-01). "Absorption of nutrients from the coral Pocillopora damicornis (L.) by the echinoid Eucidaris thouarsii (val.)" (in English). Comparative Biochemistry and Physiology -- Part A: Physiology 77 (1): 111–112. doi:10.1016/0300-9629(84)90020-3. ISSN 0300-9629. https://miami.pure.elsevier.com/en/publications/absorption-of-nutrients-from-the-coral-pocillopora-damicornis-l-b.
- ↑ Glynn, Peter W.; Wellington, Gerard M.; Birkeland, Charles (1979-01-05). "Coral Reef Growth in the Galápagos: Limitation by Sea Urchins" (in en). Science 203 (4375): 47–49. doi:10.1126/science.203.4375.47. ISSN 0036-8075. PMID 17840510. Bibcode: 1979Sci...203...47G.
External links
- Encyclopedia of Life. "Details for: Eucidaris thouarsii". Encyclopedia of Life. http://eol.org/pages/600977/. Retrieved 2013-07-23.
- "Details for: Eucidaris thouarsii". World Echinoidea Database. http://www.marinespecies.org/echinoidea/aphia.php?p=taxdetails&id=513266.
- Photos of Eucidaris thouarsii on Sealife Collection
Wikidata ☰ Q3204442 entry
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