"Face-washing behaviour" of a mud crab, Macrophthalmus japonicus(0.8MB, 00:00:13)Shot Date: 2009/08/23 Shot Location: Osaka, JAPAN | ||
| species Macrophthalmus japonicus Key Words | ||
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Animalia >Arthropoda >Crustacea >Decapoda >Ocypodidae >Macrophthalmus >
A female mud crab (Macrophthalmus japonicas) is moving her claws in front of the buccal region. This is a common behavior of this species, but I am not sure the function of this behavior. The female seemed to be making wave rings on the water surface, but perhaps she was simply washing her maxilliped.
(Data No.momo131024mj01b)
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