ICBAS - Institute of Biomedical Sciences of Abel Salazar, University of Porto, Department of Populations Study, Laboratory of Ecotoxicology (ECOTOX), Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal; CIIMAR/CIMAR-LA - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Research Group of Ecotoxicology, Stress Ecology and Environmental Health (ECOTOX), Av. General Norton de Matos, S/n, 289, 4450-208 Matosinhos, Portugal; CAPES Foundation, Ministry of Education of Brazil, 70040-020 Brasília, DF, Brazil.
ICBAS - Institute of Biomedical Sciences of Abel Salazar, University of Porto, Department of Populations Study, Laboratory of Ecotoxicology (ECOTOX), Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal; CIIMAR/CIMAR-LA - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Research Group of Ecotoxicology, Stress Ecology and Environmental Health (ECOTOX), Av. General Norton de Matos, S/n, 289, 4450-208 Matosinhos, Portugal.
Environ Pollut. 2018 May;236:1014-1019. doi: 10.1016/j.envpol.2017.12.082. Epub 2018 Feb 12.
Microplastics and mercury are environmental pollutants of great concern. The main goal of the present study was to investigate the effects of these pollutants, both individually and in binary mixtures, on the swimming performance of juvenile European seabass, Dicentrarchus labrax. Microplastics alone, mercury alone and all the mixtures caused significant reduction of the swimming velocity and resistance time of fish. Moreover, changes in behavioural responses including lethargic and erratic swimming behaviour were observed. These results highlight that fish behavioural responses can be used as sensitive endpoint to establish the effects of contamination by microplastics and also emphasizes the need to assess the combined effects of microplastics and other environmental contaminants, with special attention to the effects on behavioural responses in fish and other aquatic species.
微塑料和汞是备受关注的环境污染物。本研究的主要目的是研究这些污染物（单独及混合存在时）对幼龄欧洲海鲈（Dicentrarchus labrax）游泳性能的影响。单独的微塑料、汞以及所有混合物都显著降低了鱼类的游泳速度和阻力时间。此外，还观察到行为反应的变化，包括行动迟缓和不规则的游泳行为。这些结果表明，鱼类的行为反应可以作为一个敏感终点，用于确定微塑料污染的影响，同时也强调需要评估微塑料和其他环境污染物的联合效应，特别关注对鱼类和其他水生物种行为反应的影响。
