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''Parasesarma erythrodactyla'', also known as the red-handed shore crab, is a burrowing crab inhabiting mangrove forests in Australia and Southeast Asia. It is immediately identifiable by its bright red chelipeds (claws) and green/brown carapace. Distribution of ''P. erythrodactyla'' occurs mainly in tropical and subtropical regions along eastern Australia, Indonesia, Taiwan, Korea and India. They may also occur along southern Australia (to be verified). ''P. erythrodactyla'' relies mangrove leaf detritus for about 65%-80% of its nutrition, and on benthic microalgae such as diatoms for between 20% and 35% of its nutrition. Sesarmid crabs are generally considered to be a monophyletic taxon (that is, all genetically deriving from a common ancestor) of Grapsoidea, but recent reclassifications of the genera ''Sesarma'' and ''Parasesarma'' (both considered polyphyletic) have resulted in a reshuffling of the species. A type specimen exists in the Melbourne Museum Discovery Centre (object drawer 15). ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Parasesarma erythrodactyla」の詳細全文を読む スポンサード リンク
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