Save

Parasites differentially impact crayfish personality in different contexts

In: Behaviour
Authors:
Rebecca Noel MacKay Department of Biological Sciences, Bowling Green State University, 217 Life Sciences, N College Drive, Bowling Green, OH 43403, USA
University of Michigan Biological Station, University of Michigan, 9133 Biological Road, Pellston, MI 49769, USA

Search for other papers by Rebecca Noel MacKay in
Current site
Google Scholar
PubMed
Close
https://orcid.org/0000-0003-3410-7589
and
Paul A. Moore Department of Biological Sciences, Bowling Green State University, 217 Life Sciences, N College Drive, Bowling Green, OH 43403, USA
University of Michigan Biological Station, University of Michigan, 9133 Biological Road, Pellston, MI 49769, USA
J.P. Scott Center for Neurosciences, Mind, and Behavior, Bowling Green State University, Bowling Green, OH 43403, USA

Search for other papers by Paul A. Moore in
Current site
Google Scholar
PubMed
Close
Download Citation Get Permissions

Access options

Get access to the full article by using one of the access options below.

Institutional Login

Log in with Open Athens, Shibboleth, or your institutional credentials

Login via Institution

Purchase

Buy instant access (PDF download and unlimited online access):

€36.93

Abstract

The expression of an individual animal’s behaviour can be placed along many different personality spectra. Parasite load can alter animal behaviour and, thus, fitness. The personality traits of rusty crayfish, Faxonius rusticus, were analysed in three different behavioural contexts: foraging, exploration, and threatened. Each crayfish was tested in each context 3 times, giving a total of 9 assays per crayfish. After assays were completed, crayfish were dissected, and the hepatopancreas of each crayfish was photo analysed to determine the parasite load of the trematode, Microphallus spp. A composite personality score for each assay and parasite load was loaded into a PCA. The PCA model showed that as parasite load increased, crayfish became bolder in threatening contexts and less exploratory in novel environments, whether or not a food stimulus was present. Thus, parasite load alters the placement of crayfish on different personality spectra, but this change is context specific.

Content Metrics

All Time Past 365 days Past 30 Days
Abstract Views 1357 352 10
Full Text Views 146 6 0
PDF Views & Downloads 224 10 0