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Intruding male red swamp crayfish, Procambarus clarkii, immediately dominate members of established communities of smaller, mixed-sex conspecifics by Dr. Michael H. Figler; James E. Finkelstein; Maxwell Twum; Harman V. S. Peeke is a Psychology article available to read on EtoBox.

What is Intruding male red swamp crayfish, Procambarus clarkii, immediately dominate members of established communities of smaller, mixed-sex conspecifics about?

The effects of competing asymmetries (intruder size advantage vs. prior residence) on dominance relationships were investigated in a laboratory setting. Sexually mature (Form I) male red swamp crayfish, 25%-27% larger than the average member of several mixedsex communities of 2&25 sexually mature conspecifics, individually intruded upon these communities on successive days. Each community was invaded once a day, with each of these large intruders invading every community once during the experiment. Five days after the last large intruder invasion, novel intruder group males, approximately the same size as the average community member, individually invaded the same communities, all communities being invaded once during a single day of testing. These novel intruders were used to differentiate the effects of intruder size from those effects of being put into a novel environment. During each intrusion, the frequencies of dominance, submission, aggressive standoffs, and nonaggressive interactions between the intruder and members of the community were recorded. The large intruders on each day immediately and virtually completely dominated a l l encountered community members, and the larg

Who reads Intruding male red swamp crayfish, Procambarus clarkii, immediately dominate members of established communities of smaller, mixed-sex conspecifics?

Author

Dr. Michael H. Figler; James E. Finkelstein; Maxwell Twum; Harman V. S. Peeke

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0096-140X)

Published

1995

Language

EN

Field

Psychology (Social Sciences)