Macrophthalmus japonicus

Macrophthalmus japonicus
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Brachyura
Family: Macrophthalmidae
Genus: Macrophthalmus
Subgenus: Mareotis
Species:
M. japonicus
Binomial name
Macrophthalmus japonicus
(De Haan, 1835)

Macrophthalmus japonicus, the Japanese mud crab, is a species of sentinel crab in the family Macrophthalmidae found in Asia. The taxon was described by Wilhem de Haan in 1835.