Fig. 1From: Toxic effects of an organophosphate pesticide, envoy 50 SC on the histopathological, hematological, and brain acetylcholinesterase activities in stinging catfish (Heteropneustes fossilis)Behavioral changes of Heteropneustes fossilis after 7 days. a measurement of the size, b control group, and c pesticide, Envoy 50 SC (0.015 ppm)-treated fish. Arrows are showing more bent structures and abnormal swimmingBack to article page