| S. No |
Prey items |
Numbers (%) |
Volume (%) |
Frequency of occurance (F) |
Index of Relative Importance (N+V)F = IRI |
| 1 |
Crustaceans |
18.3 |
21.3 |
5.71 |
139.923 |
| 2 |
Fish |
15.3 |
13.7 |
7.14 |
113.118 |
| 3 |
Amphipods |
5.2 |
6.2 |
4.76 |
34.712 |
| 4 |
Isopods |
6.5 |
2.5 |
10 |
31.50 |
| 5 |
Polychaetes |
5.9 |
3.8 |
11.9 |
51.12 |
| 6 |
Nematodes |
3.1 |
3.6 |
4.76 |
20.236 |
| 7 |
Phytoplankton |
3.6 |
6.7 |
7.14 |
51.438 |
| 8 |
Zooplankton |
5.1 |
4.5 |
6.19 |
32.955 |
| 9 |
Gastropods |
3.9 |
3.8 |
5.24 |
23.812 |
| 10 |
Bivalves |
4.3 |
1.9 |
7.14 |
17.866 |
| 11 |
Sand |
5.8 |
6.5 |
6.19 |
46.035 |
| 12 |
Detritus |
6.2 |
7.5 |
9.05 |
74.075 |
| 13 |
Miscellaneous |
10.3 |
12.8 |
6.67 |
95.676 |
| 14 |
Supplementary feeds |
6.5 |
5.2 |
8.1 |
48.62 |
|
