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When behavioural geographic differentiation matters: inter-populational comparison of aggressiveness and group structure in the European perch

  • European Percid Fish Culture
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A Correction to this article was published on 19 August 2019

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Abstract

Domestication is still a long and difficult process and it is particularly impacted by species behavioural traits. Indeed, tolerance to high densities in intensive cultures and sociability are major features which facilitate domestication and influence the effectiveness of aquaculture production. Moreover, behavioural domestication predispositions could change at the intraspecific level. Here, we investigate three essential behavioural traits: aggressive interactions, group structure and activity between three allopatric populations of Perca fluviatilis, a fish species at its nascent stage of production. We highlight inter-populational differences in group structure and aggressive interactions but not in activity. A more cohesive and homogeneous group structure was demonstrated for Finnish populations compared to Lake Geneva at 45–46 days post-hatching. In addition, Lake Geneva presented a higher aggressiveness. These inter-populational differences could be used in European perch aquaculture in order to improve production as well as welfare of individuals.

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Change history

  • 19 August 2019

    This article belongs to the special issue European Percid Fish Culture by Żarski et al. and should be included in Volume 27, Issue 4. The link to this special issue can be found here: <ExternalRef><RefSource>https://link.springer.com/journal/10499/27/4</RefSource><RefTarget Address="https://link.springer.com/journal/10499/27/4" TargetType="URL"/></ExternalRef>

Abbreviations

GEN:

Lake Geneva

VAL:

Lake Valkea-Müstajärvi

ISO:

Lake Iso-Valkjärvi

RAS:

Recirculated aquaculture system

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Acknowledgements

This project has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement no. 652831 (AQUAEXCEL2020). This output reflects only the author’s view, and the European Union cannot be held responsible for any use that may be made of the information contained therein. LT is supported by a grant from the French “Ministère de l’Enseignement Supérieur et de la Recherche”. TV is supported by the Ministry of Education, Youth and Sports of the Czech Republic—projects CENAKVA (No. CZ.1.05/2.1.00/01.0024), CENAKVA II (No. LO1205 under the NPU I programme), GAJU (No. 060/2016/Z) and NAZV (No. QJ 1510117). Authors acknowledge Laurent Espinat and Chloé Goulon (INRA, Thonon-Les-Bains, France) for their help with egg ribbon collection from Lake Geneva.

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Correspondence to Lola Toomey or Thomas Lecocq.

Ethics declarations

All along experimental procedures, individuals were handled as little as possible. All procedures were in accordance with the national and international guidelines for protection of animal welfare (Directive 2010/63/EU). This study was conducted with the approval of Animal Care Committee of Lorraine (CELMA no. 66) and the Ministry of Higher Education, Research, and Innovation (APAFIS13368-2018020511226118).

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The authors declare that they have no conflict of interest.

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All applicable international, national and/or institutional guidelines for the care and use of animals were followed by the authors.

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Toomey, L., Bláha, M., Mauduit, E. et al. When behavioural geographic differentiation matters: inter-populational comparison of aggressiveness and group structure in the European perch. Aquacult Int 27, 1177–1191 (2019). https://doi.org/10.1007/s10499-019-00343-z

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  • DOI: https://doi.org/10.1007/s10499-019-00343-z

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