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Landis, Susanne H; Roth, Olivia (2015): Female pipefish can detect the immune status of their mates. PANGAEA,, Supplement to: Landis, Susanne H; Sundin, Josefin; Rosenquist, Gunilla; Poirier, Maude; Jørgensen, Guro Øistensen; Roth, Olivia (2015): Female pipefish can detect the immune status of their mates. Behavioral Ecology and Sociobiology, 69(12), 1917-1923,

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Given the ubiquity of the parasites and their important fitness consequences on mate and offspring condition, selection for the ability to distinguish healthy from parasitized potential mates is a key process to enhance Darwinian fitness. In this study, we experimentally evaluated how the immunological experience of two potential partners influences mate choice, using the sex-role-reversed pipefish Syngnathus typhle. We exposed S. typhle to immune challenges with heat-killed Vibrio bacteria and investigated whether the activation of the immune system determined mate preferences. Our results demonstrate that the immune status of the potential partners influenced female mate preference, such that females that were exposed to an immune challenge became choosy and favored unchallenged males. Males, however, did not show any preferences for female immune status. In this context, we discuss mate choice decisions and behavioral plasticity as a complex result of immune challenge, severity of infection, as well as trans-generational effects.
Date/Time Start: 2012-01-01T00:00:00 * Date/Time End: 2013-01-01T00:00:00
PBS: control injection with phosphate buffered salineVibrio: injection with heat-killed Vibrio bacteriaswim: pipefish was swimming at the time point of observationrest: pipefish was resting at the time point of observation
#NameShort NameUnitPrincipal InvestigatorMethodComment
1DATE/TIMEDate/TimeLandis, Susanne HGeocode
2SexSexLandis, Susanne H
3TreatmentTreatLandis, Susanne H
4Number of individualsInd No#Landis, Susanne HchoicePBS
5Number of individualsInd No#Landis, Susanne Hchoice Vibrio
6ProbabilityPLandis, Susanne HVibrio
7Number of individualsInd No#Landis, Susanne Hfocal_swim
8Number of individualsInd No#Landis, Susanne Hfocal_rest
9Number of individualsInd No#Landis, Susanne HPBS_rest
10Number of individualsInd No#Landis, Susanne HPBS_swim
11Number of individualsInd No#Landis, Susanne HVibrio rest
12Number of individualsInd No#Landis, Susanne HVibrio_swim
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