Figure 1.

Effect of exposure to CuCl₂ on lateral line swimming behavior in adult zebrafish. The bars % post-exposure swimming rates relative to the corresponding pre-exposure rates. Data represent mean (SD) of 5 consecutive 1 min trials per animal with 15 s intervals between trials. 5 fish each were used for the pre- and post-exposure control groups resulting in 25 data points per group. 15 fish (3 replicate trials with 5 animals each) were used for each of the pre- and post-exposure Cu groups for each Cu concentration resulting in a total of 75 data points for each of these groups. The difference in swimming behavior between the pre- and post-exposure controls was not statistically significant when compared to the difference between the pre and post-Cu exposure groups at any Cu concentration examined. A p-value of <0.01 was considered significant.