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Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters
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| Zeitschriftentitel: | Biology Letters |
|---|---|
| Personen und Körperschaften: | , |
| In: | Biology Letters, 3, 2007, 5, S. 471-474 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
The Royal Society
|
| Schlagwörter: |
| author_facet |
Seebacher, Frank Wilson, Robbie S Seebacher, Frank Wilson, Robbie S |
|---|---|
| author |
Seebacher, Frank Wilson, Robbie S |
| spellingShingle |
Seebacher, Frank Wilson, Robbie S Biology Letters Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters General Agricultural and Biological Sciences Agricultural and Biological Sciences (miscellaneous) |
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seebacher, frank |
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Seebacher, Frank Wilson, Robbie S 1744-9561 1744-957X The Royal Society General Agricultural and Biological Sciences Agricultural and Biological Sciences (miscellaneous) http://dx.doi.org/10.1098/rsbl.2007.0289 <jats:p>The outcomes of agonistic interactions modulate access to resources and thereby affect fitness. Success in agonistic encounters may depend on intrinsic physical and physiological performance, and on social experience. Here we test the hypothesis that previous experience will override physical strength in determining the outcome of fights in the freshwater crayfish<jats:italic>Cherax dispar</jats:italic>. Between unfamiliar opponents, greater chelae closing force significantly increases the chances of winning. However, even when the chelae of the original winners were disabled, the winners kept on winning against the same opponents after 30 min and 24 h. This winner effect disappeared when previous winners encountered unfamiliar individuals. Similarly, a previous loss did not affect the outcomes of subsequent encounters with unknown crayfish. We suggest that this prolonged recognition of individuals and their relative fighting ability is a mechanism that can reduce the number of agonistic encounters experienced by individuals.</jats:p> Individual recognition in crayfish (<i>Cherax dispar</i>): the roles of strength and experience in deciding aggressive encounters Biology Letters |
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| title |
Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters |
| title_unstemmed |
Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters |
| title_full |
Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters |
| title_fullStr |
Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters |
| title_full_unstemmed |
Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters |
| title_short |
Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters |
| title_sort |
individual recognition in crayfish (<i>cherax dispar</i>): the roles of strength and experience in deciding aggressive encounters |
| topic |
General Agricultural and Biological Sciences Agricultural and Biological Sciences (miscellaneous) |
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http://dx.doi.org/10.1098/rsbl.2007.0289 |
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2007 |
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471-474 |
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<jats:p>The outcomes of agonistic interactions modulate access to resources and thereby affect fitness. Success in agonistic encounters may depend on intrinsic physical and physiological performance, and on social experience. Here we test the hypothesis that previous experience will override physical strength in determining the outcome of fights in the freshwater crayfish<jats:italic>Cherax dispar</jats:italic>. Between unfamiliar opponents, greater chelae closing force significantly increases the chances of winning. However, even when the chelae of the original winners were disabled, the winners kept on winning against the same opponents after 30 min and 24 h. This winner effect disappeared when previous winners encountered unfamiliar individuals. Similarly, a previous loss did not affect the outcomes of subsequent encounters with unknown crayfish. We suggest that this prolonged recognition of individuals and their relative fighting ability is a mechanism that can reduce the number of agonistic encounters experienced by individuals.</jats:p> |
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| description | <jats:p>The outcomes of agonistic interactions modulate access to resources and thereby affect fitness. Success in agonistic encounters may depend on intrinsic physical and physiological performance, and on social experience. Here we test the hypothesis that previous experience will override physical strength in determining the outcome of fights in the freshwater crayfish<jats:italic>Cherax dispar</jats:italic>. Between unfamiliar opponents, greater chelae closing force significantly increases the chances of winning. However, even when the chelae of the original winners were disabled, the winners kept on winning against the same opponents after 30 min and 24 h. This winner effect disappeared when previous winners encountered unfamiliar individuals. Similarly, a previous loss did not affect the outcomes of subsequent encounters with unknown crayfish. We suggest that this prolonged recognition of individuals and their relative fighting ability is a mechanism that can reduce the number of agonistic encounters experienced by individuals.</jats:p> |
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| spelling | Seebacher, Frank Wilson, Robbie S 1744-9561 1744-957X The Royal Society General Agricultural and Biological Sciences Agricultural and Biological Sciences (miscellaneous) http://dx.doi.org/10.1098/rsbl.2007.0289 <jats:p>The outcomes of agonistic interactions modulate access to resources and thereby affect fitness. Success in agonistic encounters may depend on intrinsic physical and physiological performance, and on social experience. Here we test the hypothesis that previous experience will override physical strength in determining the outcome of fights in the freshwater crayfish<jats:italic>Cherax dispar</jats:italic>. Between unfamiliar opponents, greater chelae closing force significantly increases the chances of winning. However, even when the chelae of the original winners were disabled, the winners kept on winning against the same opponents after 30 min and 24 h. This winner effect disappeared when previous winners encountered unfamiliar individuals. Similarly, a previous loss did not affect the outcomes of subsequent encounters with unknown crayfish. We suggest that this prolonged recognition of individuals and their relative fighting ability is a mechanism that can reduce the number of agonistic encounters experienced by individuals.</jats:p> Individual recognition in crayfish (<i>Cherax dispar</i>): the roles of strength and experience in deciding aggressive encounters Biology Letters |
| spellingShingle | Seebacher, Frank, Wilson, Robbie S, Biology Letters, Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters, General Agricultural and Biological Sciences, Agricultural and Biological Sciences (miscellaneous) |
| title | Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters |
| title_full | Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters |
| title_fullStr | Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters |
| title_full_unstemmed | Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters |
| title_short | Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters |
| title_sort | individual recognition in crayfish (<i>cherax dispar</i>): the roles of strength and experience in deciding aggressive encounters |
| title_unstemmed | Individual recognition in crayfish (Cherax dispar): the roles of strength and experience in deciding aggressive encounters |
| topic | General Agricultural and Biological Sciences, Agricultural and Biological Sciences (miscellaneous) |
| url | http://dx.doi.org/10.1098/rsbl.2007.0289 |