Abstract
PREVIOUS studies on dominance hierarchies in crayfish examined the parts played by size, sex and age1–3, but none has dealt with the influence of specific postures on the intensity of aggressive encounters. We sought to determine whether aggressive postures represented threat displays, and whether a posture could be an indicator of the intensity of the ensuing encounter.
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HECKENLIVELY, D. Intensity of Aggression in the Crayfish, Orconectes virilis (Hagen). Nature 225, 180–181 (1970). https://doi.org/10.1038/225180a0
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DOI: https://doi.org/10.1038/225180a0
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