S:No

Prey items

Size groups(mm)

70-80

90-100

110-120

130-140

150-160

170-180

190-200

Average

1

Phytoplankton

14.6

13.9

10.5

9.5

7.8

6.3

5.9

9.78

2

Zooplankton

12.5

11.8

8.5

7.3

6.8

5.1

4.7

8.10

3

Crustaceans

7.6

5.8

12.6

10.2

8.7

9.5

10.8

9.31

4

Amphipods

8.6

7.6

9.5

7.1

9.8

8.6

7.9

8.44

5

Isopods

6.4

8.5

7.9

6.7

7.2

8.3

8.1

7.58

6

Polychaetes

4.6

5.2

4.8

5.4

7.3

8.1

6.7

6.01

7

Nematodes

5.2

6.3

5.7

6.3

8.1

8.6

7.5

6.81

8

Mollusca

4.9

5.7

5.3

4.3

5.6

7.4

6.9

5.72

9

Detritus

7.9

8.4

7.5

10.5

7.1

9.3

7.2

8.27

10

Mud

8.5

8.3

7.3

9.5

8

6.2

10.6

8.34

11

Miscellaneous

11.3

10

10.7

11.9

10.2

9.8

10.1

10.57

12

Supplementary feeds

7.9

8.5

9.7

11.3

13.4

12.8

13.6

11.02

Table 1: Percentage of dietary composition of different food items in different size groups of male L.vannamei.
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