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Nonapeptide influences on social behaviour: effects of vasotocin and isotocin on shoaling and interaction in zebrafish

Lindeyer, CM, Langen, EMA, Swaney, WT and Reader, SM (2015) Nonapeptide influences on social behaviour: effects of vasotocin and isotocin on shoaling and interaction in zebrafish. Behaviour. ISSN 0005-7959

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Abstract

Nonapeptides are important regulators of social behaviour across vertebrate taxa. While their role in simple grouping behaviour has been explored in estrildid finches, other taxa are understudied, prompting us to investigate nonapeptide influences on shoaling behaviour in zebrafish. Subjects received injections of isotocin, an isotocin antagonist, vasotocin, a vasotocin antagonist, or saline, followed by a test of grouping behaviour. Vasotocin decreased social interaction with the shoal. Unexpectedly, the vasotocin antagonist also reduced social interaction with the shoal, as well as general shoaling behaviour. Isotocin and its antagonist had minimal effects on grouping behaviours. These results suggest social interaction and shoaling are discrete aspects of sociality differentially influenced by vasotocin, although we cannot discount possible anxiogenic effects of vasotocin. Contrasting these results with studies in other systems demonstrates that each nonapeptide’s role in social behaviour varies across taxa, and cautions against a simplistic characterisation of nonapeptides as prosocial regulators of behaviour.

Item Type: Article
Subjects: Q Science > QH Natural history
Divisions: Natural Sciences & Psychology (closed 31 Aug 19)
Publisher: Brill Academic Publishers
Date Deposited: 05 Mar 2015 15:31
Last Modified: 04 Sep 2021 14:37
DOI or ID number: 10.1163/1568539X-00003261
URI: https://researchonline.ljmu.ac.uk/id/eprint/610

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