Erythrocyte changes and ecotoxicological evaluation in freshwater of the Pintado stream in the municipality of Ji-Paraná, Brazil: Anurans of the genus Leptodactylus (Leptodactilidae) as a bioindicator organism. Acta Sci. Biol. Sci. 2025;46(1):e73039. doi:10.4025/actascibiolsci.v46i1.73039