The Effect of Size Asymmetry on the Expression of Territoriality in Northern Crayfish (Orconectes virilis)
2011-02-01
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The Effect of Size Asymmetry on the Expression of Territoriality in Northern Crayfish (Orconectes virilis)
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2011-02-01
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Territoriality in female northern crayfish, Orconectes virilis, was studied through the observation of resident-intruder crayfish pair interactions based on size asymmetry. Resident-intruder pairings were chosen among 18 crayfish, with a total of 51 asymmetric interactions observed. Resident crayfish were allowed to establish themselves immediately within shelters, followed by
the placement of intruder crayfish within the territory of the resident. One of three possible interactions was noted for each resident-intruder pair and shelter, including resident eviction, resident-intruder union, or resistance of intruder. It was found that resident-intruder pairs having high percent size asymmetry resulted in high eviction rates of small residents by large intruders.
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Student paper, BIOL 3811, 2010
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Kindler, Mae; McCullough, Jenna. (2011). The Effect of Size Asymmetry on the Expression of Territoriality in Northern Crayfish (Orconectes virilis). Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/99543.
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