Embryotoxic and genotoxic effects of heavy metals and pesticides on early life stages of Pacific oyster (Crassostrea gigas)

► Impact of pesticides and heavy metals on early life stage of Pacific oyster. ► Toxicity investigated using embryolarvae and comet assays. ► Relationship between embryotoxicity and genotoxicty. ► Genotoxic and embryotoxic effects at enviromnental pollutant concentrations.