The effects of exposure to the herbicide Dicamba (DIC) on tadpoles two amphibian species, Scinax nasicus and Elachistocleis bicolor, were assessed. Mortality biochemical sublethal evaluated using acetylcholinesterase (AChE), glutathione S-transferase (GST), reductase (GR), aspartate aminotransferase (AST), alanine (ALT) activities thyroid hormone (T4) levels. LC50 value at 48h was 0.859 mg L?1 ...