Table 1 Mean heavy metal concentrations (± SD, mg kg−1, dw) measured in white muscle tissue of sharks captured from coastal waters of Great Exuma and Nassau New Providence Island, The Bahamas.
From: Metal concentrations in coastal sharks from The Bahamas with a focus on the Caribbean Reef shark
Species | Common name | Size range (TL, cm) | n | Cd | Pb | Cr | Mn | Co | Cu | Zn | As | Ag | THg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Carcharhinus acronotus | Blacknose shark | 97–114 | 3 | 0.151 (0.028) | 0.104 (0.056)h | 2.577 (2.156) | 1.515 (1.396) | 0.042 (0.073) | 4.227 (1.686) | 104.168 (114.608) | 2.576 (3.860) | 0.067 (0.047) | 7.908 (1.747) |
Carcharhinus perezi | Caribbean reef shark | 94–197 | 24 | 0.119 (0.085)e | 0.367 (0.231)f | 2.641 (3.272)e | 0.971 (0.659)e | 0.027 (0.040)e | 4.897 (3.110)e | 80.130 (64.833)e | 7.307 (19.287)e | 0.066 (0.068)e | 15.490 (8.331)g |
Carcharhinus leucas | Bull shark | 242 | 1 | 0.216 | 0.142 | 0.09 | 0.16 | 0.534 | 2.73 | 37 | 1.38 | 0.055 | 6.722 |
Galeocerdo cuvier | Tiger shark | 155–320 | 7 | 0.138 (0.085)b | 0.099 (0.074)c | 0.736 (0.494)b | 1.765 (1.938)b | 0.047 (0.033)b | 3.459 (0.912)b | 41.298 (7.932)b | 1.001 (0.764)b | 0.118 (0.124)b | 4.442 (1.619)d |
Ginglymostoma cirratum | Nurse shark | 204–267 | 5 | 0.263 (0.301) | 0.108 (0.045)a | 1.530 (1.112) | 0.640 (0.313) | 0.009 (0.019) | 6.411 (4.412) | 88.004 (28.582) | 3.750 (3.909) | 0.094 (0.126) | 9.030 (2.894) |
Negaprion brevirostris | Lemon shark | 240, 248 | 2 | 0.231 (0.170) | 0.125 (0.108) | 2.305 (2.553) | 0.467 (0.217) | 0.010 (0.014) | 30.877 (25.443) | 64.140 (37.640) | 0.306 (0.432) | 0.518 (0.408) | 4.846 (0.332) |