Chasmagnathus
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| Chasmagnathus | |
|---|---|
| File:Hamagani0811.jpg | |
| Scientific classification Edit this classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Decapoda |
| Suborder: | Pleocyemata |
| Infraorder: | Brachyura |
| Family: | Varunidae |
| Genus: | Chasmagnathus De Haan, 1833[1] |
| Species: | C. convexus
|
| Binomial name | |
| Chasmagnathus convexus (De Haan, 1835)[1]
| |
| Synonyms[1] | |
| |
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]
File:Mud-Flat Crab (Chasmagnathus convexus) (5780853050).jpg
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References
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