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Social Monogamy in a Fiddler Crab, Uca Capricornis

Detto, Tanya; Backwell, Patricia


Fiddler crabs are generally considered polygamous as they tend to live in dense mixed sex colonies with numerous neighbours and individually defended territories. We show that the Australian fiddler crab, Uca capricornis, is socially monogamous based on behavioural experiments and observations of neighbouring males and females. The unusual relationship between neighbouring males and females in U. capricornis is selected for and maintained by intrasexual aggression and the ability to...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Journal of Crustacean Biology
DOI: 10.1651/08-3126.1


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