Molecular and immunological responses of the giant freshwater prawn, Macrobrachium rosenbergii, to the organophosphorus insecticide, trichlorfon

► AChE reveals a time-dependent tendency decreases after exposing to trichlorfon. ► Trichlorfon induced oxidative stress is shown after exposing to trichlorfon. ► Trichlorfon down regulates the immune genes expressions. ► Trichlorfon causes the deficiency both in immunological and physiological responses.