近方蟹屬

Hemigrapsus
	Hemigrapsus nudus
科學分類
界：	動物界 Animalia
門：	節肢動物門 Arthropoda
亞門：	甲殼亞門 Crustacea
綱：	軟甲綱 Malacostraca
目：	十足目 Decapoda
亞目：	抱卵亞目 Pleocyemata
下目：	短尾下目 Brachyura
科：	弓蟹科 Varunidae
亞科：	弓蟹亞科 Varuninae
屬：	近方蟹屬 Hemigrapsus; Dana, 1851
模式種
	Hemigrapsus crassimanus; Dana, 1851

近方蟹屬（Hemigrapsus）是弓蟹科下的一個屬。其下的生物除去南美洲大西洋沿海的Hemigrapsus affinis 之外，全部分布於太平洋海域。

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種

H. estellinensis已經滅絕^[1]。肉球近方蟹則從原產地東亞引入到了北美和歐洲等許多地區^[2]^[3]^[4]^[5] H. takanoi也從東亞引入了西歐和北歐。^[6]^[7]

種

該屬共15種：^[8]

Hemigrapsus affinis Dana, 1851
Hemigrapsus crassimanus Dana, 1851
Hemigrapsus crenulatus (H. Milne-Edwards, 1837)
Hemigrapsus estellinensis Creel, 1964
Hemigrapsus gibbus (Hombron & Jacquinot, 1846)
Hemigrapsus longitarsus (Miers, 1879)
Hemigrapsus nudus (Dana, 1851)
Hemigrapsus octodentatus (H. Milne-Edwards, 1837)
Hemigrapsus oregonensis (Dana, 1851)
Hemigrapsus pallipes (H. Milne-Edwards, 1837)
Hemigrapsus penicillatus (De Haan, 1835)
Hemigrapsus sanguineus (De Haan, 1835)
Hemigrapsus sexdentatus (H. Milne-Edwards, 1837)
Hemigrapsus sinensis Rathbun, 1931
Hemigrapsus takanoi Asakura & Watanabe, 2005

參考文獻

[1]
Gordon C. Creel. Hemigrapsus estellinensis: a new grapsoid crab from North Texas. The Southwestern Naturalist. 1964, 8 (4): 236–241. JSTOR 3669636.
[2]
John J. McDermott. A breeding population of the Western Pacific crab Hemigrapsus sanguineus (Crustacea: Decapoda: Grapsidae) established on the Atlantic coast of North America (PDF). Biological Bulletin. 1991, 181 (1): 195–198 [2018-12-22]. doi:10.2307/1542503. （原始內容存檔 (PDF)於2011-06-16）.
[3]
Jessica D. Sharon. Japanese shore crab (Hemigrapsus sanguineus). Illinois-Indiana Sea Grant College Program. [October 21, 2010]. （原始內容存檔於March 3, 2011）.
[4]
Dragoş Micu, Victor Niţă & Valentina Todorova. First record of the Japanese shore crab Hemigrapsus sanguineus (de Haan, 1835) (Brachyura: Grapsoidea: Varunidae) from the Black Sea (PDF). Aquatic Invasions. 2010, 5 (Supplement 1): S1–S4 [2018-12-22]. doi:10.3391/ai.2010.5.S1.001. （原始內容存檔 (PDF)於2018-07-21）.
[5]
GB Non-native Species Secretariat. Hemigrapsus sanguineus (Asian shore crab). nonnativespecies.org. September 2015 [6 October 2018]. （原始內容存檔於2018-12-27）.
[6]
Akira Asakura & Seiichi Watanabe. Hemigrapsus takanoi, new species, a sibling species of the common Japanese intertidal crab H. penicillatus (Decapoda: Brachyura: Grapsoidea) (PDF). Journal of Crustacean Biology. 2005, 25 (2): 279–292 [2018-12-22]. doi:10.1651/C-2514. （原始內容存檔 (PDF)於2016-03-03）.
[7]
Geburzi, J.C.; G. Graumann; S. Köhnk; D. Brandi. First record of the Asian crab Hemigrapsus takanoi Asakura & Watanabe, 2005 (Decapoda, Brachyura, Varunidae) in the Baltic Sea. BioInvasions Records. 2015, 4 (2): 103–107. doi:10.3391/bir.2015.4.2.06.
[8]
Peter K. L. Ng, Danièle Guinot & Peter J. F. Davie. Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world (PDF). Raffles Bulletin of Zoology. 2008, 17: 1–286. （原始內容 (PDF)存檔於2011-06-06）.

外部連結

維基共享資源上的相關多媒體資源：Hemigrapsus
維基物種上的相關資訊：Hemigrapsus

[Creel-1] [1]
Gordon C. Creel. Hemigrapsus estellinensis: a new grapsoid crab from North Texas. The Southwestern Naturalist. 1964, 8 (4): 236–241. JSTOR 3669636.

[2] [2]
John J. McDermott. A breeding population of the Western Pacific crab Hemigrapsus sanguineus (Crustacea: Decapoda: Grapsidae) established on the Atlantic coast of North America (PDF). Biological Bulletin. 1991, 181 (1): 195–198 [2018-12-22]. doi:10.2307/1542503. （原始內容存檔 (PDF)於2011-06-16）.

[3] [3]
Jessica D. Sharon. Japanese shore crab (Hemigrapsus sanguineus). Illinois-Indiana Sea Grant College Program. [October 21, 2010]. （原始內容存檔於March 3, 2011）.

[Micu-4] [4]
Dragoş Micu, Victor Niţă & Valentina Todorova. First record of the Japanese shore crab Hemigrapsus sanguineus (de Haan, 1835) (Brachyura: Grapsoidea: Varunidae) from the Black Sea (PDF). Aquatic Invasions. 2010, 5 (Supplement 1): S1–S4 [2018-12-22]. doi:10.3391/ai.2010.5.S1.001. （原始內容存檔 (PDF)於2018-07-21）.

[NNSS2015-5] [5]
GB Non-native Species Secretariat. Hemigrapsus sanguineus (Asian shore crab). nonnativespecies.org. September 2015 [6 October 2018]. （原始內容存檔於2018-12-27）.

[Asakura-6] [6]
Akira Asakura & Seiichi Watanabe. Hemigrapsus takanoi, new species, a sibling species of the common Japanese intertidal crab H. penicillatus (Decapoda: Brachyura: Grapsoidea) (PDF). Journal of Crustacean Biology. 2005, 25 (2): 279–292 [2018-12-22]. doi:10.1651/C-2514. （原始內容存檔 (PDF)於2016-03-03）.

[Geburzi2015-7] [7]
Geburzi, J.C.; G. Graumann; S. Köhnk; D. Brandi. First record of the Asian crab Hemigrapsus takanoi Asakura & Watanabe, 2005 (Decapoda, Brachyura, Varunidae) in the Baltic Sea. BioInvasions Records. 2015, 4 (2): 103–107. doi:10.3391/bir.2015.4.2.06.

[Ng-8] [8]
Peter K. L. Ng, Danièle Guinot & Peter J. F. Davie. Systema Brachyurorum: Part I. An annotated checklist of extant Brachyuran crabs of the world (PDF). Raffles Bulletin of Zoology. 2008, 17: 1–286. （原始內容 (PDF)存檔於2011-06-06）.

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