| Seasons | Pre-monsoon | Post ?monsoon | Pre-monsoon |
| Months | (Mar - Apr’08) | (Dec’07 - Jan’08) | (Mar - Apr’08) |
| Zone | Proximal Zone | Distal Zone | |
| Area | Dredged area | Non-dredged area | Non-dredged area |
| Stations | D1-10 | d1-10 | P1-10 |
| Number of samples | 414 | 1140 | 490 |
| Length range of samples (mm) | 1.2 - 3.6 | 1.1 - 5.0 | 1.4 - 3.8 |
| Mean length (mm) | 2.12 | 2.40 | 2.56 |
| Weight range of samples (g) | 0.8 - 22.69 | 1.01 - 31.64 | 1.08 - 20.86 |
| Mean weight (g) | 6.02 | 9.41 | 8.85 |