UV-filter benzophenone-3 inhibits agonistic behavior in male Siamese fighting fish (Betta splendens)

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题名:	UV-filter benzophenone-3 inhibits agonistic behavior in male Siamese fighting fish (Betta splendens)
作者:	丁望賢;Chen, Te-Hao;Wu, Yea-Ting;Ding, Wang-Hsien
贡献者:	理學院化學學系
关键词:	agonistic behavior;Agonistic Behavior - drug effects;Animal behavior;Animals;Aquatic environment;Benzophenones - toxicity;Betta splendens;body length;condition factor;Earth and Environmental Science;Ecology;Ecotoxicology;Endocrine disruptors;Endocrine Disruptors - toxicity;Environment;Environmental Management;Ethanol;fish;Fish behavior;Fishes;gonadosomatic index;Gonads;Histology;Male;males;Perciformes - physiology;solvents;spermatozoa;Sunscreening Agents - toxicity;Swimming;UV filters;Water Pollutants, Chemical - toxicity
日期:	2016-03-01
上传时间:	2026-04-21 14:45:14 (UTC+8)
出版者:	Springer Netherlands;New York: Springer US
摘要:	摘要： Benzophenone-3 (BP-3) is a widely used organic UV-filter compound. Despite the frequent occurrence of BP-3 in aquatic environments, little is known about its effect on fish behavior. The aim of this study was to investigate the endocrine disrupting effects of BP-3 in male fighting fish (Betta splendens) with a focus on agonistic behavior. Male fighting fish were exposed to 10, 100, and 1000 μg/L BP-3, as well as a solvent control (0.1 % ethanol) and a positive control (100 ng/L 17α-ethynylestradiol, EE2), for 28 days. At the beginning and the end of exposure, standard length and body mass of the fish were measured for calculating the condition factor (CF). In addition, spontaneous swimming activity (total distance moved) and agonistic behavior (maximum velocity and duration of opercular display in front of a mirror) were also quantified. At the end of exposure, the fish gonads were sampled for gonadosomatic index (GSI) measurement and histology. After the exposure, CF was significantly decreased in the 1000 μg/L BP-3 groups. Spontaneous swimming activity was not affected. However, maximum velocity was significantly reduced in the EE2 and 1000 μg/L BP-3 treatments; duration of opercular display was significantly decreased in the EE2 and 10 and 1000 μg/L BP-3 treatments. GSI was not significantly different between groups. There was a slight but statistically significant decrease of relative proportion of mature spermatozoa in testicular tissue in the 100 μg/L BP-3 treatment. Collectively, our results demonstrate that BP-3 can disrupt agonistic behavior of male fighting fish, indicating the endocrine disrupting activity of this compound. 其他題名： Ecotoxicology 出版者： New York: Springer US 出版日期： 2016-03-01 出處： Ecotoxicology (London), 2016-03, Vol.25 (2), p.302-309 資源來源： Agricultural & Environmental Science Collection 版權： Springer Science+Business Media New York 2015 版權： COPYRIGHT 2016 Springer 版權： Springer Science+Business Media New York 2016 識別號： ISSN: 0963-9292 識別號： EISSN: 1573-3017 識別號： DOI: 10.1007/s10646-015-1588-4 識別號： PMID: 26589946 識別號： CODEN: ECOTEL
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