alexa Water quality monitoring using abnormal tail-beat frequency of crucian carp.
Toxicology

Toxicology

Journal of Environmental & Analytical Toxicology

Author(s): Xiao G, Feng M, Cheng Z, Zhao M, Mao J,

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Abstract Fish are rapidly becoming favored as convenient sentinels for behavioral assays of toxic chemical exposure. Tail-beat frequency (TBF) of fish is highly correlated with swimming speed, which has been used to detect toxicants. Here we examined the effect on TBF of exposure to two chemicals, and evaluated the ability of this novel behavioral parameter to accurately monitor water quality. To further refine our approach, the Wall-hitting rate (WHR) was used to characterize behavioral avoidance after exposure. Overall, exposure to test chemicals at different levels induced significant increase in both behavioral parameters of the red crucian carp during 1-h exposure periods. Furthermore, the TBF achieved better performance as an indicator when it was calculated in cases where the fish hit the tank wall. Collectively, this study demonstrates the capacity of the TBF of fish to assess water quality in a reliable manner. Copyright © 2014 Elsevier Inc. All rights reserved. This article was published in Ecotoxicol Environ Saf and referenced in Journal of Environmental & Analytical Toxicology

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