Halocaridina rubra: Difference between revisions
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==References== |
==References== |
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*{{cite journal |quotes=no |author=J. H. Bailey-Brock & R. E. Brock |year=1993 |title=Feeding, reproduction, and sense organs of the Hawaiian anchialine shrimp ''Halocaridina rubra'' (Atyidae) |journal=[[Pacific Science]] |volume=47 |issue=4 |pages=338–355 |url=http:// |
*{{cite journal |quotes=no |author=J. H. Bailey-Brock & R. E. Brock |year=1993 |title=Feeding, reproduction, and sense organs of the Hawaiian anchialine shrimp ''Halocaridina rubra'' (Atyidae) |journal=[[Pacific Science]] |volume=47 |issue=4 |pages=338–355 |url=http://hdl.handle.net/10125/2024 }} |
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*{{cite journal |author=S. R. Santos |year=2006 |title=Patterns of genetic connectivity among anchialine habitats: a case study of the endemic Hawaiian shrimp ''Halocaridina rubra'' on the island of Hawaii |journal=[[Molecular Ecology]] |volume=15 |pages=2699–2718 |url=http://www.auburn.edu/~santosr/pdf/Santos2006MolEcol.pdf |doi=10.1111/j.1365-294X.2006.02965.x}} |
*{{cite journal |author=S. R. Santos |year=2006 |title=Patterns of genetic connectivity among anchialine habitats: a case study of the endemic Hawaiian shrimp ''Halocaridina rubra'' on the island of Hawaii |journal=[[Molecular Ecology]] |volume=15 |pages=2699–2718 |url=http://www.auburn.edu/~santosr/pdf/Santos2006MolEcol.pdf |doi=10.1111/j.1365-294X.2006.02965.x}} |
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*{{cite journal |author=J. L. Ivey & S. R. Santos |year=2007 |title=The complete mitochondrial genome of the Hawaiian anchialine shrimp ''Halocaridina rubra'' Holthuis, 1963 (Crustacea: Decapoda: Atyidae) |journal=[[Gene (journal)|Gene]] |volume=394 |pages=35–44 |pmid=17317038 |doi=10.1016/j.gene.2007.01.009}} |
*{{cite journal |author=J. L. Ivey & S. R. Santos |year=2007 |title=The complete mitochondrial genome of the Hawaiian anchialine shrimp ''Halocaridina rubra'' Holthuis, 1963 (Crustacea: Decapoda: Atyidae) |journal=[[Gene (journal)|Gene]] |volume=394 |pages=35–44 |pmid=17317038 |doi=10.1016/j.gene.2007.01.009}} |
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Revision as of 11:52, 21 September 2009
| Halocaridina rubra | |
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| Ovigerous ʻōpaeʻula | |
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| Genus: | Halocaridina
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| Species: | H. rubra
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| Binomial name | |
| Halocaridina rubra Holthuis, 1963
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Halocaridina rubra is a small red shrimp of the family Atyidae, with the common Hawaiian name ʻōpaeʻula (meaning "red shrimp").
It is a small red shrimp, rarely longer than 1.5 cm (0.6 in) in length, typically found in brackish water pools near the sea shore, sometimes in large numbers. Such pools are referred to as anchialine pools (from the Greek anchialos = near the sea).
ʻŌpaeʻula are herbivorous and detritivorous shrimp occupying both hypogeal (subterranean) and epigeal (surface) anchialine waters. They are endemic to the Hawaiian islands, and most commonly found in anchialine pools in fresh lava substrates on Hawaiʻi and Maui Island, but have been found in limestone karst pools and hypogeal habitats in limestone on older islands, such as Oʻahu.
Typical food of ʻōpaeʻula is algal and bacterial mats on the surface of rocks and other substrates in anchialine pools. Chelipeds are adapted for scraping and filtering of algal-bacterial layers. Serrated setae scrape the substrate surface, and filamentous setae collect the loosened food materials. The latter can also act as filters, although filter feeding is only observed in pools with dense phytoplankton blooms.
The grazing activity of this shrimp is essential in maintaining the integrity of the crust, an actively growing matrix of plants, bacteria, diatoms, protozoans, and underlying siliceous and carbonate materials.
Halocaridina is well adapted to the epigeal-hypogeal habitat in the pools. It reproduces in the subterranean portion of the habitat.
Its habitat is unique and sparsely represented on five of the eight high Hawaiian Islands.
Recent popularity of ʻōpaeʻula as a low-maintenance pet in Hawaiʻi and elsewhere has brought this otherwise obscure decapod crustacean into popular consciousness. A long-lived species, ʻōpaeʻula have been known to live for as long as 20 years in captivity. Sexes are difficult to distinguish, but gravid females carry clusters of red/maroon eggs under their pleopods, and early larvae are planktonic filter-feeders.
References
- J. H. Bailey-Brock & R. E. Brock (1993). "Feeding, reproduction, and sense organs of the Hawaiian anchialine shrimp Halocaridina rubra (Atyidae)". Pacific Science. 47 (4): 338–355.
{{cite journal}}: Unknown parameter|quotes=ignored (help) - S. R. Santos (2006). "Patterns of genetic connectivity among anchialine habitats: a case study of the endemic Hawaiian shrimp Halocaridina rubra on the island of Hawaii" (PDF). Molecular Ecology. 15: 2699–2718. doi:10.1111/j.1365-294X.2006.02965.x.
- J. L. Ivey & S. R. Santos (2007). "The complete mitochondrial genome of the Hawaiian anchialine shrimp Halocaridina rubra Holthuis, 1963 (Crustacea: Decapoda: Atyidae)". Gene. 394: 35–44. doi:10.1016/j.gene.2007.01.009. PMID 17317038.