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Biochemical endpoints measured in Jenynsia multidentata collected at the four study sites (S1 to S4), as catalase (CAT; (A,B)), lipid peroxidation (TBARS; (C,D)), and cholinesterase (ChE; (E,F)) in the dry (A,C,E) and wet (B,D,F) seasons. Different letters indicate statistically significant differences among sampling sites (p < 0.05). The whiskers represent the ± SEM.
