Int. J. Environ. Res. Public Health 2014, 11(4), 3650-3660; doi:10.3390/ijerph110403650
Article

The Use of Zebrafish (Danio rerio) Behavioral Responses in Identifying Sublethal Exposures to Deltamethrin

Received: 8 January 2014; in revised form: 12 March 2014 / Accepted: 18 March 2014 / Published: 2 April 2014
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: Alterations of fish behavioral responses are sensitive indicators to identify accidental chemical pollution. In this research, a series of exposure tests were conducted to investigate behavioral changes of adult zebrafish (Danio rerio) exposed to deltamethrin (DM) in six concentrations of 0, 0.15, 1.5, 3.75, 7.5 and 15 μg/L. Swimming changes in zebrafish were detected at a concentration as low as 1% of the LC50-24h within five hours. Hyperactivity was the first response, followed by a second response of fish surfacing. The change patterns of swimming speed in zebrafish were similar in all exposure groups, but the degree increased with increasing concentrations. Swimming speed and depth were altered within the first two hours after exposure, which was regarded as the most vital phase for water quality monitoring. The duration of hyperactivity and the time of zebrafish surfacing were both logarithmically correlated with exposure concentrations, which was helpful to distinguish the level of pollution.
Keywords: behavioral response; bio-monitoring; zebrafish; hyperactivity; surfacing
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MDPI and ACS Style

Huang, Y.; Zhang, J.; Han, X.; Huang, T. The Use of Zebrafish (Danio rerio) Behavioral Responses in Identifying Sublethal Exposures to Deltamethrin. Int. J. Environ. Res. Public Health 2014, 11, 3650-3660.

AMA Style

Huang Y, Zhang J, Han X, Huang T. The Use of Zebrafish (Danio rerio) Behavioral Responses in Identifying Sublethal Exposures to Deltamethrin. International Journal of Environmental Research and Public Health. 2014; 11(4):3650-3660.

Chicago/Turabian Style

Huang, Yi; Zhang, Jinsong; Han, Xiaobo; Huang, Tinglin. 2014. "The Use of Zebrafish (Danio rerio) Behavioral Responses in Identifying Sublethal Exposures to Deltamethrin." Int. J. Environ. Res. Public Health 11, no. 4: 3650-3660.

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