The LC50 on fries of red crucian carp and tadpole were 171.13mg/L and 72.77mg/L respectively, the coefficient of ground bait were 5.84 and 13.74. The EC had low toxicity on fish and frog.

• 对红鲫鱼和泽蛙96h时的LC50分别为171.；13 mg/L和72