Location	Cr	Ni	Cu	Zn	As	Cd	Pb	References
Grass carp in the Pearl River Delta	0.15	0.24	1.86	25.2	0.04	‒	‒	The present study
Grunt in Persian Gulf	11.2	14.2	0.04	0.8	0.2	0.4	1.8	[32]
Mullus barbatus in Trabzon, Turkey	0.03	0.25	0.26	1.65	‒	0.004	0.04	[33]
C. mrigala in River Ganga, India	0.07	‒^d	0.64	2.25	‒	0.26	0.47	[34]
Barramudi in Pulau Ketam, Malaysia	0.62	0.12	0.50	6.50	1.69	0.01	0.17	[35]
S. aurata W in Mediterranean	0.004	‒	0.04	0.71	1.10	0.0004	‒	[19]
Trigla lyrain Northern Aegean Sea	0.01	0.14	0.27	0.90	‒	0.01	0.06	[36]
Crucian carp in Chengdu, China	6.21	1.18	2.77	69.1	0.38	0.01	0.38	[10]
Fishes in Chaohu Lake, China	0.18	‒	0.33	8.51	0.10	0.001	0.03	[37]
Fishes in Northeast China	0.01	0.01	0.03	1.59	0.01	0.0002	0.007	[38]
Threshold	0.4^a	‒	8^b	20^c	1.2^b	0.2^a	0.1^a