Personality, performance, and the effects of stress on checkered pufferfish (Sphoeroides testudineus)
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- Wilson, Alexander D. (Co-author)
- Shultz, Aaron (Co-author)
- Cooke, Steven J. (Supervisor and Co-author)
- Abstract
Few studies focus on the mechanisms that regulate consistent individual-level differences in behaviour (i.e., personality) in wild animals, despite their potential evolutionary and ecological implications. I examined whether wild checkered pufferfish (Sphoeroides testudineus) have consistent individual-level differences in locomotor activity, threat-response behaviour, swimming ability, and puffing performance. I also evaluated the relationships between these personality and performance traits. Personality and performance were compared to movements in the field. In addition, I tested whether a treatment of the stress hormone cortisol would alter personality and performance. Pufferfish exhibited personalities but these were not associated with performance or recapture in the field. Performance was consistent between the lab and the natural enclosure but activity was not. The cortisol treatment did not modify personality or performance, which suggests that these traits do not represent a stress-coping syndrome. I conclude by recommending future directions for research on stress and personality in wild animals.
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Copyright © 2015 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 2015
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pleizier-personalityperformanceandtheeffectsofstress.pdf | 2023-05-04 | Public | Download |