Metallic Contamination of the Muscles of Three Fish Species from the Moulouya River (Lower Moulouya, Eastern Morocco)

Table 4

Contents of trace metals dosed in the muscles of studied fish species (mg/kg of wet weight).

Species	Cd		Pb		Hg
	X̅ ± SD	m–M	X̅ ± SD	m–M	X̅ ± SD	m–M
Lepomis macrochirus	0.00175 ± 0.0005	0.001–0.002	0.1085 ± 0.0691	0.033–0.200	0.1083 ± 0.0549	0.062–0.187
Barbus callensis	0.0028 ± 0.001	0.001–0.006	0.0622 ± 0.0182	0.016–0.158	0.0549 ± 00237	0.009–0.161
Barbus nasus	0.0045 ± 0.0006	0.004–0.005	0.101 ± 0.0252	0.065–0.119	0.0985 ± 0.0393	0.067–0.154

X̅: mean, SD: standard deviation, m: minimum, M: maximum