Visual Lateralisation in Female Guppies Poecilia reticulata Demonstrates Social Conformity but Is Reduced When Observing a Live Predator Andinoacara pulcher
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| Publicado en: | Ecology and Evolution vol. 15, no. 7 (Jul 1, 2025) |
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John Wiley & Sons, Inc.
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| Acceso en línea: | Citation/Abstract Full Text Full Text - PDF |
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| 001 | 3234085828 | ||
| 003 | UK-CbPIL | ||
| 022 | |a 2045-7758 | ||
| 024 | 7 | |a 10.1002/ece3.71798 |2 doi | |
| 035 | |a 3234085828 | ||
| 045 | 0 | |b d20250701 | |
| 084 | |a 244128 |2 nlm | ||
| 100 | 1 | |a Penry‐Williams, Iestyn L. |u School of Biological Sciences, University of Bristol, Bristol, UK | |
| 245 | 1 | |a Visual Lateralisation in Female Guppies Poecilia reticulata Demonstrates Social Conformity but Is Reduced When Observing a Live Predator Andinoacara pulcher | |
| 260 | |b John Wiley & Sons, Inc. |c Jul 1, 2025 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a ABSTRACT Living in groups offers individuals a way of reducing their risk of predation. Visual lateralisation, characterised as an asymmetry in eye use, may offer an additional advantage to group‐living animals by enabling them to manage two concurrent visual tasks simultaneously. This could enhance multitasking efficiency by facilitating cohesion with group mates while monitoring for threats. In our study, we examined visual lateralisation of Trinidadian guppies (Poecilia reticulata) tested either alone or in groups, in either the presence or absence of a live predator, the blue acara (Andinoacara pulcher). We consistently observed low levels of visual lateralisation across all treatments. Contrary to our expectations, however, guppies exhibited significantly higher absolute lateralisation when tested alone in the absence of the predator compared to the other treatments. Moreover, a significant left‐eye bias was observed when the predator was present, and the fish showed a right‐eye bias when the predator was absent. Use of a repeated measures design and assessing individual and group ID as random effects demonstrated that groups were repeatable, that is, there were significant differences (inter‐group variation) among groups, also known as group personality variation. However, there was limited evidence for repeatability at the level of the individuals, that is, consistent inter‐individual variation. Repeatability in lateralisation when tested as a group, but not when individual fish composing these groups were tested alone, suggests individuals within the groups were conforming to one another in their lateralisation, reducing inter‐individual differences within groups and enhancing among‐group variation. This social conformity applied to both absolute and relative laterality. Our results suggest that social processes may have a significant impact on within‐population variation in lateralisation. | |
| 610 | 4 | |a Bisazza | |
| 653 | |a Predators | ||
| 653 | |a Visual tasks | ||
| 653 | |a Eye | ||
| 653 | |a Bias | ||
| 653 | |a Investigations | ||
| 653 | |a Reproducibility | ||
| 653 | |a Predation | ||
| 653 | |a Visual observation | ||
| 653 | |a Variation | ||
| 653 | |a Multitasking | ||
| 653 | |a Fish | ||
| 653 | |a Hemispheric laterality | ||
| 653 | |a Andinoacara pulcher | ||
| 653 | |a Poecilia reticulata | ||
| 653 | |a Environmental | ||
| 700 | 1 | |a Brown, Culum |u Department of Biological Sciences, Macquarie University, Sydney, Australia | |
| 700 | 1 | |a Ioannou, Christos C. |u School of Biological Sciences, University of Bristol, Bristol, UK | |
| 773 | 0 | |t Ecology and Evolution |g vol. 15, no. 7 (Jul 1, 2025) | |
| 786 | 0 | |d ProQuest |t Agriculture Science Database | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3234085828/abstract/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text |u https://www.proquest.com/docview/3234085828/fulltext/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3234085828/fulltextPDF/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch |