F. heteroclitus embryos were treated as described in Figure 3. Caudal fin deformity score for 10 dpf embryos was determined from 0 to 3, with 0 = normal and 3 = severe deformity. Data are presented as mean ± SEM. Total N≥50, screened from three replicate experiments. Two Factor ANOVA: Population p = 0.161, Treatment p < 0.001, Interaction p = 0.098. * Significantly different from vehicle (p<0.05, ANOVA, Tukey’s HSD)