Metasesarma obesum

Metasesarma obesum, also known as the marble crab or marble Batik crab, is a species of sesarmid crab. It is a semiterrestrial and brackish-water crab that lives on sandy beaches.

Distribution
Metasesarma obesum is known from the shores of the Indian and Pacific Oceans.

Description
The neotype is a male measuring 14.3 x.

In aquaria
They are occasionally found in the aquarium trade. They require land area, hiding places such as leaf litter or driftwood, and shallow brackish/salt water. It is omnivorous and generally peaceful to tankmates and conspecifics, however it might fight with conspecifics if it does not have enough space.