ZFIN Image: Sarasamma et al., 2020, Figure 3

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Figure 3

Mirror biting behavior endpoints comparisons between control and polystyrene nanoplastics (PS-NPs)-exposed zebrafish groups after a ~7-day exposure. (A) Mirror biting time percentage, (B) longest duration in the mirror side, (C) average speed, (D) freezing time movement ratio, (E) swimming time movement ratio, and (F) rapid movement time ratio were analyzed for mirror biting assay. The 1 min. locomotion trajectories for the control, 0.5 and 1.5 ppm PS-NPs-exposed fish in mirror biting tests were presented in G to I, respectively, with the yellow-colored zone as the mirror biting region. The data are expressed as the median with interquartile range and were analyzed by a Kruskal–Wallis test, which continued with Dunn’s multiple comparisons test as a follow-up test (n = 32 for control; n = 20 for each PS-NPs-exposed group; * p < 0.05, ** p < 0.01, *** p < 0.001).

Acknowledgments

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