Biology:Chasmagnathus
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Short description: Genus of crabs
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| Genus: | Chasmagnathus De Haan, 1833 [1]
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| Species: | C. convexus
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| Chasmagnathus convexus (De Haan, 1835) [1]
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Chasmagnathus convexus is a common mud-flat crab of the family Varunidae, which is endemic to East Asia.[2][3] In Japan , this crab is commonly called hamagani. This crab has two forms that differ in color; one is olive green and the other is purple.[2] Differences in diet are believed to be responsible for the color variation between the two forms. C. convexus is large, relative to related crabs, and can reach 4.5 to 5 centimetres (1.8 to 2.0 in) wide across its carapace.[4] It is predominantly nocturnal.[2]
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References
- ↑ 1.0 1.1 1.2 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". Raffles Bulletin of Zoology 17: 1–286. Archived from the original on 2011-06-06. https://web.archive.org/web/20110606061453/http://rmbr.nus.edu.sg/rbz/biblio/s17/s17rbz.pdf.
- ↑ 2.0 2.1 2.2 Hsi-Te Shih; Hiroshi Suzuki (2008). "Taxonomy, phylogeny, and biogeography of the endemic mudflat crab Helice/Chasmagnathus complex (Crustacea: Brachyura: Varunidae) from East Asia". Zoological Studies 47 (1): 114–125. http://zoolstud.sinica.edu.tw/Journals/47.1/114.pdf. Retrieved 2014-08-18.
- ↑ Katsushi Sakai, ed. "Chasmagnathus convexus". Crabs of Japan. http://species-identification.org/species.php?species_group=crabs_of_japan&id=1734&menuentry=soorten. Retrieved January 16, 2009.
- ↑ Hitoshi Miyasaka; Motomi Genkai-Kato; Yukiko Goda; Koji Omori (2007). "Length-weight relationships of two varunid crab species, Helice tridens and Chasmagnathus convexus, in Japan". Limnology 8 (1): 81–83. doi:10.1007/s10201-006-0195-8.
Wikidata ☰ Q5087374 entry
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