Charybdis japonica (Milne-Edwards, 1861)
Japanese swimming crab
Charybdis japonica
photo by Poppe, Guido and Philippe

Family:  Portunidae (swimming crabs)
Max. size:  7 cm CW (male/unsexed)
Environment:  benthopelagic; marine; depth range 0 - 50 m
Distribution:  Western Pacific: from Japan to Malaysia. Subtropical and tropical climates.
Diagnosis:  Carapace without transverse ridges behind last anterolateral tooth; frontal teeth acutely triangular; anterolateral all acutely triangular. Posterior border of propodus of legs serrated. Palm with 5sharp spines, longitudinal ridges on palm granulated. Color: carapace white with large greyish patches, tips at anterolateral teeth reddish brown; fingers red and white.
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

Source and more info: www.sealifebase.org. For personal, classroom, and other internal use only. Not for publication.