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Carrying Behavior in the Family Homolidae (Decapoda: Brachyura)

Mary K. Wicksten
Journal of Crustacean Biology
Vol. 5, No. 3 (Aug., 1985), pp. 476-479
Published by: on behalf of The Crustacean Society
DOI: 10.2307/1547919
Stable URL: http://www.jstor.org/stable/1547919
Page Count: 4
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Carrying Behavior in the Family Homolidae (Decapoda: Brachyura)
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Abstract

Underwater still photographs and videotapes show homolid crabs carrying pieces of sponges, antipatharians, and gorgonians between the dactyls and propodi of the fifth pereiopods. These materials are held over the posterior half of the carapace. The crabs can raise or lower the materials with their legs. The carrying behavior may be a defense against predators. The termini of the fifth pereiopods are chelate or subchelate, enabling the crabs to carry objects.

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