Effects of environmental concentrations of caffeine on adult zebrafish behaviour: a short-term exposure scenario.

Autor: Santos N; Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, 3810-193, Aveiro, Portugal. santos.niedja@ua.pt., Picolo V; Department of Physiological Sciences, Institute of Biological Sciences, University of Brasilia, University Campus Darcy Ribeiro, Brasilia, DF, 70910-900, Brazil.; Graduate Program in Molecular Pathology, Faculty of Health Sciences, University of Brasilia, University Campus Darcy Ribeiro, Brasilia, DF, 70910-900, Brazil., Domingues I; Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, 3810-193, Aveiro, Portugal., Perillo V; Laboratory of Toxicological Genetics, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília, Distrito Federal, 70910-900, Brazil., Villacis RAR; Laboratory of Toxicological Genetics, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília, Distrito Federal, 70910-900, Brazil., Grisolia CK; Laboratory of Toxicological Genetics, Department of Genetics and Morphology, Institute of Biological Sciences, University of Brasília, Brasília, Distrito Federal, 70910-900, Brazil., Oliveira M; Centre for Environmental and Marine Studies (CESAM), Department of Biology, University of Aveiro, 3810-193, Aveiro, Portugal.
Jazyk: angličtina
Zdroj: Environmental science and pollution research international [Environ Sci Pollut Res Int] 2023 May; Vol. 30 (23), pp. 63776-63787. Date of Electronic Publication: 2023 Apr 14.
DOI: 10.1007/s11356-023-26799-4
Abstrakt: Caffeine (CAF) has been considered an emerging environmental contaminant and its presence indicator of anthropogenic contamination. This study evaluated the effects of environmental concentrations of CAF (0, 0.5, 1.5, and 300 μg. L -1 ) on the behaviour of adult zebrafish (Danio rerio) after 7 days of exposure. The components of feeding, locomotion, boldness (new tank test), sociability (schooling test), and aggression (mirror test) were analysed. Growth rate and weight were investigated as complementary measures. CAF (0.5, 1.5, and 300 μg. L -1 ) reduced exploratory behaviour in zebrafish, increased feeding latency time (1.5, and 300 μg. L -1 ), and decreased growth rate and fish weight (300 μg. L -1 ). CAF also induced aggressive behaviour (0.5, 1.5, and 300 μg. L -1 ) and decreased appetence to the shoal (sociability) (0.5, and 1.5 μg. L -1 ). This study showed that low doses of CAF can induce behavioural effects in zebrafish that may have significant long-term impacts on vital ecological functions.
(© 2023. The Author(s).)
Databáze: MEDLINE
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