Repeated antipredator conditioning: a pathway to habituation or to better avoidance?

$48.00 plus tax (Refund Policy)

Download / Buy Article:

Abstract:

Hatchery‐reared juveniles of Arctic charr Salvelinus alpinus were conditioned to the odours of Arctic charr‐fed pikeperch Sander lucioperca in the absence of any other cues. Accordingly, there was no physical threat of capture for the Arctic charr. It was evident from the subsequent survival tests that a single exposure to predator odours was enough to increase Arctic charr survival compared to predator‐naïve control fish whist under direct threat from live predators. Instead of habituating to predator odours, the fish conditioned repeatedly (four times) improved their spatial avoidance of predator cues in the course of training. The repeated conditioning also further enhanced the survival of the test fish as compared to the singly conditioned fish. The economical and ethical advantages of training with chemical cues, combined with its high reliability, could promote the success of fish reintroductions especially through repeated antipredator conditioning.

Keywords: Salvelinus alpinus; conditioning; life‐skills training; predator avoidance; reintroduction; repeated exposure

Document Type: Regular Paper

DOI: http://dx.doi.org/10.1111/j.0022-1112.2006.00873.x

Affiliations: Integrative Ecology Unit, Department of Biological and Environmental Sciences, P. O. Box 65, FI-00014, University of Helsinki, Finland

Publication date: January 1, 2006

Related content

Tools

Favourites

Share Content

Access Key

Free Content
Free content
New Content
New content
Open Access Content
Open access content
Subscribed Content
Subscribed content
Free Trial Content
Free trial content
Cookie Policy
X
Cookie Policy
ingentaconnect website makes use of cookies so as to keep track of data that you have filled in. I am Happy with this Find out more