Table 3. Correlation matrix of heavy metals (w.w. basis) in five fishes

	Zn	Mn	Cu	Cd	Cr	Pb	Ni
Zn	1
Mn	0.90797	1
Cu	0.68714	0.50878	1
Cd	0.88759	0.82328	0.87771	1
Cr	0.43331	0.41498	–0.0722	0.30922	1
Pb	–0.3578	–0.6502	–0.3727	–0.537	0.15713	1
Ni	0.83892	0.71182	0.5304	0.79222	0.79635	–0.08836	1