Biology:Uca perplexa
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| Uca perplexa | |
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| Species: | U. perplexa
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| Uca perplexa (H. Milne-Edwards, 1837) [1]
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Uca perplexa is a species of fiddler crab. It is found from the Ryukyu Islands, Japan to India , throughout the Malay Archipelago, along eastern Australia n coasts from Queensland to New South Wales, and in various Pacific islands, including Fiji, Tonga and Vanuatu.[2][3]
As in other fiddler crabs, the male has a greatly enlarged claw, which is used for signalling. The higher the claw is waved by the male, the greater his chance of attracting a female; the size of the claw is therefore subject to sexual selection.[4]
Uca perplexa is usually found on sandy substrates near river mouths or on sheltered beaches in the mid-intertidal zone, usually near mangroves.[5]
References
- ↑ Peter K. L. Ng, Danièle Guinot & Peter J. F. Davie (2008). "Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world" (PDF). Raffles Bulletin of Zoology 17: 1–286. http://rmbr.nus.edu.sg/rbz/biblio/s17/s17rbz.pdf.
- ↑ "Species Uca perplexa (H. Milne Edwards, 1852)". Australian Faunal Directory. Department of the Environment, Water, Heritage and the Arts. October 9, 2008. http://www.environment.gov.au/biodiversity/abrs/online-resources/fauna/afd/taxa/Uca_perplexa.
- ↑ "Uca perplexa". Crabs of Japan. Marine Species Identification Portal. http://www.species-identification.org/species.php?species_group=crabs_of_japan&menuentry=soorten&id=1771&tab=beschrijving.
- ↑ Minoru Murai, Patricia R. Y. Backwell & Michael D. Jennions (2009). "The cost of reliable signaling: experimental evidence for predictable variation among males in a cost-benefit trade-off between sexually selected traits". Evolution 63 (9): 2363–2371. doi:10.1111/j.1558-5646.2009.00726.x. PMID 19453725.
- ↑ http://queenslandcoast.blogspot.com.au/2015/04/guide-to-fiddler-crabs-of-queensland.html
Wikidata ☰ Q7876623 entry
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