Amphipods are frequently used as bioindicators of water quality in experimental or behavior trials. Thus, it is a group considered suitable for use model organism tests with essential oils (EOs). This study evaluated the time required anesthesia induction and recovery amphipod crustacean H. bonariensis exposed to Aloysia triphylla (EOAT) Lippia alba (EOLA), their major compounds citral linalool...