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Effects of the SSRI citalopram on behaviours connected to stress and reproduction in Endler guppy, Poecilia wingei
Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology.
Uppsala universitet.
Södertörn University, School of Natural Sciences, Technology and Environmental Studies, Biology.ORCID iD: 0000-0001-9498-3033
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2014 (English)In: Aquatic Toxicology, ISSN 0166-445X, E-ISSN 1879-1514, Vol. 148, 113-121 p.Article in journal (Refereed) Published
Place, publisher, year, edition, pages
2014. Vol. 148, 113-121 p.
Keyword [en]
SSRI, Citalopram, behaviour, guppy
National Category
Biological Sciences
Research subject
Environmental Studies
URN: urn:nbn:se:sh:diva-20977DOI: 10.1016/j.aquatox.2013.12.032ISI: 000333496200013PubMedID: 24473162ScopusID: 2-s2.0-84892895423OAI: diva2:683096
Läkemedel i miljön
The Foundation for Baltic and East European Studies

Psychoactive drugs, such as selective serotonin reuptake inhibitors (SSRI) have been identified in high levels in effluents from Swedish sewage treatment plants (STP) at concentrations high enough to give pharmacological effects in fish. In humans SSRIs are used in the treatment of depression and they have anxiolytic effects. In the present study we exposed Endler guppy (Poecilia wingei) of both sexes to citalopram that showed the highest concentrations of SSRIs in STP effluents and studied reproductive and non-reproductive behaviour. Male courting behaviours were not affected compared to control fish after 14-28 days exposure to 1μgL-1. In two experiments exposing both sexes to 0.2, 2.3 or 15μgL-1 for 21 days, fish exposed to the two highest doses showed anxiolytic effects when placed in a novel environment (novel tank diving test, NT). Males were only affected by exposure to 15μgL-1. They had significantly longer latency to explore the upper half of the aquarium, more visits and longer time spent in the upper half, and showed less bottom freezing behaviour, all markers of anxiolytic behaviour. In females exposure to 2.3 or 15μgL-1 significantly increased freezing behaviour, while no effects on other behaviour variables were observed. No effects on shoaling behaviour could be discerned. These results show that citalopram have anxiolytic effects on guppy fish and thus affect ecologically relevant behaviours of importance to survival of fish.

Available from: 2014-01-02 Created: 2014-01-02 Last updated: 2016-10-04Bibliographically approved

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Olsén, K. HåkanOlsén, HannaPorsch-Hällström, IngerHallgren, Stefan
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