Fig 1 in Essential oils from Citrus x aurantium and Citrus x latifolia (Rutaceae) have anesthetic activity and are effective in reducing ion loss in silver catfish (Rhamdia quelen)

Fig 1. Net ion (Na+, K+, Cl̅) fluxes (a-b) and ammonia excretion (c-d) in silver catfish through 8 h of exposure to essential oils of Citrus x aurantium (EOCA) and Citrus x latifolia (EOCL). Values are means ± SEM. Different letters indicate significant differences between treatments (P <0.05). Positive values indicate net influxes and negative values net effluxes.