Table 4 Ratios for conch parameters of S. spirula of the Atlantic, Indian and Pacific Oceans
Sites Oceans | Conch height index wh/d min/mean/max | Conch width index ww/d min/mean/max | Whorl width index ww/wh min/mean/max |
|---|---|---|---|
Canary Islands North-eastern Atlantic Ocean | 0.23/0.27/0.36 | 0.26/0.29/0.38 | 1.02/1.07/1.13 |
Tobago North-western Atlantic Ocean | 0.27/0.29/0.32 | 0.27/0.30/0.35 | 1.03/1.05/1.10 |
South Africa South-eastern Atlantic Ocean | 0.22/0.22/0.22 | 0.24/0.24/0.24 | 1.08/1.08/1.08 |
Brazil South-western Atlantic Ocean | 0.25/0.27/0.31 | 0.27/0.29/0.32 | 1.02/1.06/1.08 |
Tanzania Western Indian Ocean | 0.25/0.28/0.33 | 0.27/0.30/0.34 | 1.02/1.07/1.14 |
Mauritius Western Indian Ocean | 0.24/0.26/0.32 | 0.26/0.28/0.34 | 1.02/1.06/1.11 |
Maldives western Indian Ocean | 0.22/0.25/0.30 | 0.23/0.26/0.32 | 1.00/1.06/1.13 |
Sri Lanka Northern Indian Ocean | 0.23/0.26/0.28 | 0.26/0.27/0.28 | 1.01/1.05/1.10 |
Thailand Northern Indian Ocean | 0.22/0.25/0.28 | 0.23/0.26/0.29 | 1.01/1.05/1.12 |
Western Australia South-western Indian Ocean | 0.26/0.27/0.29 | 0.27/0.29/0.31 | 1.01/1.06/1.11 |
Eastern Australia South-western Pacific Ocean | 0.24/0.26/0.29 | 0.26/0.28/0.31 | 1.04/1.08/1.17 |