S:No Food item Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec Monthly average
1 Crustacean 15.10 15.90 12.70 16.00 14.00 15.10 13.90 10.60 12.40 14.30 10.00 14.60 13.70
2 Polychaetes 7.26 6.36 7.02 5.24 7.20 6.72 6.32 5.29 9.68 6.06 7.00 5.09 6.60
3 Nematodes 6.70 6.35 6.58 5.31 5.51 5.88 5.41 7.49 7.37 6.10 6.90 5.14 6.23
4 Fish 25.70 20.50 26.30 22.90 25.00 26.50 24.30 26.00 24.00 24.70 29.00 26.90 25.20
5 Zooplankton 9.50 13.60 10.50 9.05 8.47 11.00 8.56 8.81 9.68 8.66 9.60 11.50 9.91
6 Phytoplankton 6.70 8.64 10.95 8.93 10.00 7.14 9.01 9.25 8.30 7.79 5.70 8.30 8.32
7 Bivalves 5.03 5.91 6.58 7.62 5.08 6.30 5.86 3.97 5.53 7.80 6.10 4.74 5.88
8 Gastropods 6.70 4.55 5.70 8.10 6.36 5.04 6.74 7.49 5.42 4.33 4.80 5.53 5.90
9 Sand 7.26 6.36 6.58 5.73 5.93 4.20 4.96 5.29 5.39 5.20 5.70 5.45 5.67
10 Digested matter 3.35 4.55 3.51 5.71 3.39 2.10 3.60 3.97 2.30 3.90 2.60 2.77 3.48
11 Miscellaneous 6.70 7.27 4.39 5.69 8.90 10.90 11.30 11.90 9.68 11.30 12.00 9.88 9.16
Table 2: Monthly Variation in the Percentage Composition of Food of male P. russelii from January-2012 to December-2012.