Relative importance of size versus territorial residency in intraspecific aggression by symbiotic male water mites (Acari: Unionicolidae) |
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Authors: | Dale D. Edwards Ronald V. Dimock Jr. |
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Affiliation: | (1) Department of Biology, Wake Forest University, 27109 Winston-Salem, NC, USA |
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Abstract: | Body size plays an important role in the outcome of aggressive encounters between males of the symbiotic freshwater miteUnionicola formosa. Since intruding males displace resident males as often as resident males successfully defend their territory (mantle cavity of a mussel), resident males do not hold a competitive advantage during male-male aggressive encounters. Larger male size probably enhances a male's success when competing for receptive females. |
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