Geosesarma
| Geosesarma | |
|---|---|
| File:Lahad-Datu Sabah Mount-Silam-Red-Crab-Geosesarma-aurantium-02.jpg | |
| Geosesarma aurantium | |
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Infraorder: | Brachyura |
| Family: | Sesarmidae |
| Genus: | Geosesarma De Man, 1892 |
| Type species | |
| Sesarma noduliferum [1] de Man, 1892
| |
Geosesarma is genus of small freshwater or terrestrial crabs, typically less than 10 mm (0.4 in) across the carapace.[2] They live and reproduce on land with the larval stages inside the egg. They are found from India,[3] through Southeast Asia, to the Solomon Islands and Hawaii.[2]
In the pet trade, they are sometimes called vampire crabs. This has nothing to do with their feeding habits, but rather with the bright, contrastingly yellow eyes of some Geosesarma species.[4]
Species
[edit | edit source]Geosesarma contains these species:[5][6]
- Geosesarma aedituens Naruse & Jaafar, 2009
- Geosesarma albomita Yeo & Ng, 1999
- Geosesarma ambawang Ng, 2015
- Geosesarma amphinome (De Man, 1899)
- Geosesarma anambas Ng, Wowor & Yeo, 2023
- Geosesarma angustifrons (A. Milne-Edwards, 1869)
- Geosesarma araneum (Nobili, 1899)
- Geosesarma aurantium Ng, 1995
- Geosesarma batak Manuel-Santos, Ng & Freitag, 2016
- Geosesarma bau Ng & Jongkar, 2004
- Geosesarma bicolor Ng & Davie, 1995
- Geosesarma bintan T. M. Leong, 2014
- Geosesarma cataracta Ng, 1986
- Geosesarma celebense (Schenkel, 1902)
- Geosesarma clavicrure (Schenkel, 1902)
- Geosesarma confertum (Ortmann, 1894)
- Geosesarma danumense Ng, 2003
- Geosesarma dennerle Ng, Schubart & Lukhaup, 2015
- Geosesarma foxi (Kemp, 1918)
- Geosesarma gordonae (Serène, 1968)
- Geosesarma gracillimum (De Man, 1902)
- Geosesarma hagen Ng, Schubart & Lukhaup, 2015
- Geosesarma hednon Ng, Liu & Schubart, 2003
- Geosesarma ianthina Pretzmann, 1985
- Geosesarma insulare Ng, 1986
- Geosesarma johnsoni (Serène, 1968)
- Geosesarma katibas Ng, 1995
- Geosesarma krathing Ng & Naiyanetr, 1992
- Geosesarma larsi Ng & Grinang, 2018
- Geosesarma lawrencei Manuel-Santos & Yeo, 2007
- Geosesarma leprosum (Schenkel, 1902)
- Geosesarma maculatum (De Man, 1892)
- Geosesarma malayanum Ng & Lim, 1986
- Geosesarma mirum Shy & Ng, 2019[7]
- Geosesarma nannophyes (De Man, 1885)
- Geosesarma nemesis Ng, 1986
- Geosesarma nigripes Ng & Wowor, 2024
- Geosesarma noduliferum (De Man, 1892)
- Geosesarma notophorum Ng & C. G. S. Tan, 1995
- Geosesarma ocypodum (Nobili, 1899)
- Geosesarma penangense (Tweedie, 1940)
- Geosesarma peraccae (Nobili, 1903)
- Geosesarma protos Ng & Takeda, 1992
- Geosesarma rathbunae (Serène, 1968)
- Geosesarma riani Ng & Wowor, 2024
- Geosesarma rouxi (Serène, 1968)
- Geosesarma sabanum Ng, 1992
- Geosesarma sarawakense (Serène, 1968)
- Geosesarma scandens Ng, 1986
- Geosesarma serenei Ng, 1986
- Geosesarma solomonense (Serène, 1968)
- Geosesarma starmuhlneri Pretzmann, 1984
- Geosesarma sumatraense Ng, 1986
- Geosesarma sylvicola (De Man, 1892)
- Geosesarma ternatense (Serène, 1968)
- Geosesarma teschi Ng, 1986
- Geosesarma thelxinoe (De Man, 1908)
- Geosesarma tiomanicum Ng, 1986
- Geosesarma vicentense (Rathbun, 1914)
As of March 2015, professor Peter Ng of National University of Singapore has named 20 Geosesarma species, and he "has another half a dozen or so newly collected Geosesarma species from Southeast Asia in his lab, and these species still need to be named and described."[4][8]
Threats
[edit | edit source]Geosesarma dennerle and Geosesarma hagen, both originally from Java, are threatened by illegal overcollection for the aquarium trade.[9]
References
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