| S. No |
Prey items |
Numbers (%) |
Volume (%) |
Frequency of occurance(F) |
Index of Relative Importance (N+V)F = IRI |
| 1 |
Crustaceans |
16.4 |
21.5 |
5.88 |
142.82 |
| 2 |
Fish |
13.5 |
14.6 |
9.56 |
153.076 |
| 3 |
Amphipods |
4.8 |
5.2 |
11 |
62.00 |
| 4 |
Isopods |
6.3 |
3.1 |
5.88 |
24.528 |
| 5 |
Polychaetes |
4.7 |
2.7 |
8.82 |
28.514 |
| 6 |
Nematodes |
5.9 |
3.2 |
7.35 |
29.42 |
| 7 |
Phytoplankton |
5.7 |
1.7 |
4.41 |
13.197 |
| 8 |
Zooplankton |
7.1 |
6.3 |
5.15 |
39.545 |
| 9 |
Gastropods |
2.5 |
1.8 |
5.88 |
13.084 |
| 10 |
Bivalves |
4.1 |
2.3 |
3.68 |
12.564 |
| 11 |
Sand |
3.8 |
6.4 |
7.35 |
50.84 |
| 12 |
Detritus |
6.5 |
8.5 |
10.3 |
94.05 |
| 13 |
Miscellaneous |
11.5 |
16.4 |
8.09 |
144.176 |
| 14 |
Supplementary feeds |
7.2 |
6.3 |
6.62 |
48.906 |
|
