In this experiment, males were presumed to be adults based upon chelae size prior to experimentation. |
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In crabs there is a single obvious pair of chelae, but in some of the prawns there may be up to three pairs of less conspicuous pincers. |
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A male courts a female by touching her with his antennae and chelae. |
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They had sharp chelae and legs that could injure the farmers. |
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The new material permits a more complete description of the organism, including more details concerning the margins, the dorsal carapace, the venter, and the chelae. |
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