Abstract
Fipronil is an insecticide extensively used in rice and sugar cane monocultures in Brazil. This compound is a chloride channel antagonist regulated by gamma-aminobutyric acid (GABA) or glutamic acid (GLU), which causes death of arthropods by impediment neuronal repolarization associated with blockade of the influx of chloride into cells. Although organisms of subphylum Vertebrata do not h…