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''Cardisoma'' is a genus of large land crabs. Three species formerly placed in this genus are now placed in ''Discoplax''. The four species that remain in ''Cardisoma'' are found in warm coastal regions where they live in burrows. Young individuals are often very colourful with a purple-blue carapace and orange-red legs (leading to a level of popularity in the pet trade), but as they grow older the colours tend to fade, and females may be duller than males. Although less extreme than in fiddler crabs, one claw is usually considerably larger than the other. They are omnivores, but primarily feed on plant material. ==Species== The genus ''Cardisoma'' comprises these four species:〔 * ''Cardisoma armatum'' Herklots, 1851 – (African) rainbow crab, (Nigerian) moon crab or patriot crab: found in east Atlantic coastal regions * ''Cardisoma carnifex'' (Herbst, 1794) – red-claw crab: found in Indo-Pacific coastal regions * ''Cardisoma crassum'' Smith, 1870 – mouthless crab: found in east Pacific coastal regions * ''Cardisoma guanhumi'' Latreille, 1825 – blue land crab or giant land crab: found in west Atlantic coastal regions 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「Cardisoma」の詳細全文を読む スポンサード リンク
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