Predator‐inspection behaviour in female three‐spined sticklebacks Gasterosteus aculeatus is associated with status of gravidity
- 1 November 2009
- journal article
- Published by Wiley in Journal of Fish Biology
- Vol. 75 (8) , 2143-2153
- https://doi.org/10.1111/j.1095-8649.2009.02408.x
Abstract
Differences in predator‐inspection behaviour between gravid and non‐gravid female as well as between male and female three‐spined sticklebacks Gasterosteus aculeatus were investigated. Gravid females confronted with a live rainbow trout Oncorhynchus mykiss showed bolder inspection behaviour than non‐gravid ones. The behaviour of gravid females was comparable with that of males, maybe because both face a high risk of predation. The results indicate that antipredator behaviour in female G. aculeatus is not fixed but adjusted to their reproductive state.Keywords
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