S:No Food item Jan Feb Mar Apr May Jun July Aug Sep Oct Nov Dec Monthly average
1 Crustaceans 71.6 75 64.3 72.9 62.2 79 51.5 62.1 60 68 74.6 76.7 68.15
2 Polychaetes 28.9 27.7 23.5 24.5 18.3 32.9 27.2 19.5 65 17.8 26.9 32.4 28.71
3 Nematodes 20.1 21.7 26.7 27.2 32.5 20.3 27.6 24.2 20 19.8 27.5 17.9 23.79
4 Fish 69.3 67.99 68.2 54.6 69.4 74.2 55.6 61.8 60 61.1 60.5 57.4 63.34
5 Zooplankton 49.9 48.6 49.2 52.4 56.6 56.3 50.2 59.1 53.7 55.8 55.2 57 53.66
6 Phytoplankton 45.5 39.7 45.8 37.45 41.5 38.95 40.7 44.2 39.3 41 39 40.4 41.12
7 Bivalves 26.6 32.6 25.3 31.39 30.4 62.7 30.5 28.3 34 32.4 31 30.3 32.96
8 Gastropods 19.5 20.9 21.8 25.4 24.4 24 23.9 35 30.1 28.4 26.6 28 25.66
9 Sand 23.5 25.6 24.5 19.5 21.2 24.5 18.6 25.4 27.5 28.4 27.6 28.3 24.55
10 Digested matter 15.4 13.6 12.8 11.7 10.6 13.8 12.4 13.6 12.5 13.6 18.5 14.5 13.58
11 Miscellaneous 41.5 53.1 45.8 38.6 34.5 29.5 31.5 35.6 39.5 41.5 43.5 48.5 40.26
Table 2: Monthly Variation in the Percentage Composition of Food of Male and Female in P. volitans (January-2012 to December-2012).
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