“…Shellfish are widely used in activities as bioindicators and biomonitoring of pollution in the sea. This is because in general the organism have a wide geographic distribution, large populations, are relatively stable in locations with heavy contamination, have a long life, live sedentary, are tolerant to environmental changes and contaminants, have a high pollutant bioconcentration factor (BCF) mark, height and body size facilitate observations in the field and laboratory (Barka, 2012;Amiard et al, 2006).…”