Species

Geographical Area

Element

Reference

As

Cu

Zn

Cd

Hg

Pb

C. gasar

Aného Lagoon

0.095 - 0.22

246.47

339.35 - 2488.1

40.31

0.31

10.13

This work

C. gasar

Lake Zowla, Togo

0.087 - 0.18

165.1

291.1 - 1487.3

34.26

0.2

6.43

This work

C. gasar

Aneho lagoon, Togo

30.67 - 94.63

0.36 - 0.51

0.79 - 4.12

[23]

C. gasar

Benya Lagoons, Ghana

17

2350 - 2780

0.21 - 0.74

[48]

C. gasar

Niger Delta/Nigeria

0.001 - 0.05

0.001 - 0.05

<0.001

0.11 - 0.14

[62]

C. gasar

Ivory Coast

2172.65

1.98

2.00

[47]

C. gasar

Senegal

7.2

121.6

2.37

[63]

C. corteziensis

NW Mexico

17.5 - 166.3

245 - 2304

1.5 - 7.4

4.1 - 9.4

[64]

C. corteziensis

Mexico

33.6 - 44.9

263 - 382

0.2 - 0.6

0.03 - 0.08

0.3 - 1.9

[44]

C. gigas

Golf of Californie

0.25 - 0.48

26.2 - 85.0

138.0 - 418.6

9.0 - 21.4

0.003 - 0.04

0.8 - 4.6

[42]

C. gigas

Southeast England

391.36

1972.17

2.19

1.14

[61]

C. palmula

Mexico

23.1 - 112.6

226 - 1745

1.0 - 9

0.17 - 0.57

0.3 - 2.1

[65]

C. rhizophorae

Venezuela

27.5 - 83.0

130 - 877

1.5 - 4.2

2.5 - 3.0

[66]