Tiomanium indicum, commonly known as the Tioman crab or the white clawed mangrove crab, is a crab in the family Sesarmidae. It inhabits the Western and central Indo-Pacific ocean, including Singapore, Malaysia, Australia (Queensland), the Philippines and New Guinea. Tioman crabs are supralittoral (live above the high tide line).[1] In Cairns, Australia they are known for moving in numbers in some seasons entering backyards and homes.[2] This species was originally described by H. Milne Edwards in 1837 as Sesarma indicum. It was placed in a new genus Tiomanium (originally Tiomanum) by Serene and Soh[3] The carapace is convex and 34 mm length. Key features that differentiate Tiomanium from Neosarmatium include a spine at the end of the upper inner margin of the cheliped palm and a spine on the upper inner angle of the carpus.[3]
| Tiomanium indicum | |
|---|---|
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Infraorder: | Brachyura |
| Family: | Sesarmidae |
| Genus: | Tiomanium |
| Species: | T. indicum
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| Binomial name | |
| Tiomanium indicum H. Milne Edwards, (1837)
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References
edit- ^ Gary C. B. Poore & Shane T. Ahyong (2023). "Brachyura-crabs". Marine Decapod Crustacea. CSIRO Publishing. ISBN 9781486311781.
- ^ Bateman, Daniel (2019-01-31). "Cairns experiences mass migration of rare mangrove crabs as wet season sets in". Cairns Post.
- ^ a b Serene, R.; Soh, C. L. (1970). "New Indo-Pacific genera allied to Sesarma Say 1817 (Brachyura, Decapoda, Crustacea)". Treubia. 27 (4): 387–416.
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