''Achaeus japonicus'', sometimes known as the orang-utan crab, is a crab of the family Majidae has been observed in tropical waters of the Western Pacific Ocean from Indonesia to Fiji, as well as in coastal waters of Japan.
Similar species: Decapods
By Patomarazul
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Uploaded Dec 30, 2015. Captured in J. Basa St, Dauin, Negros Oriental, Philippines.