The 96-h LC50 values of cadmium on Salmo gairdneri and Xenopus laevis larvae were reported to be between 80 and 100 mg/l. while reported the 96-h LC50 value of cadmium on C. carpio as 121.8 ppm. The LC50 values of cadmium on
rainbow trout (Oncorhynchus mykiss) for 24, 48, 72 and 96 h were found to be 7.76, 1.95, 0.5, and 0.45 mg/l, respectively by Oryan and Nejatkhah (1997).