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Table 1 Species-wise catch distribution in upper codend, lower codend and upper codend cover and exclusion rates from upper codend in JFE-SSD installed operations

From: Investigations on juvenile fish excluder cum shrimp sorting device (JFE-SSD)

 

Encountered catch, kg

Lower codend, %

Upper codend, %

Upper codend cover, %

Exclusion rate from upper codend, %

Finfishes

     

Alepes kleinii

3.35

47.01

4.93

48.06

48.06

Ambassis ambassis

4.33

42.38

11.89

45.73

45.73

Anadontostoma chacunda

1.15

28.70

56.52

14.78

14.78

Arius jella

2.67

28.09

51.87

20.04

20.04

Cynoglossus arel

0.86

23.98

14.62

61.40

61.40

Cynoglossus macrostomus

7.06

65.58

12.39

22.03

22.03

Epinephelus diacanthus

4.84

31.40

22.21

46.38

42.16

Escualosa thoracata

1.46

59.79

2.41

37.80

46.38

Gerres erythrourus

1.13

46.22

21.33

32.44

37.80

Johnius borneensis

7.63

46.85

24.64

28.51

19.53

Johnius carouna

0.78

14.10

57.69

28.21

32.44

Johnius carutta

2.23

18.88

54.38

26.74

28.51

Lactarius lactarius

1.10

30.14

16.89

52.97

28.21

Leiognathus dussumieri

1.00

42.21

10.05

47.74

26.74

Leiognathus equulus

1.03

65.37

4.88

29.76

52.97

Eubleekeria splendens

8.66

57.65

22.82

19.53

47.74

Liza parsia

1.02

32.84

14.71

52.45

52.45

Megalaspis cordyla

3.65

11.10

34.11

54.79

54.79

Mugil cephalus

2.71

82.29

2.21

15.50

34.42

Opisthopterus tardoore

1.58

40.63

57.14

2.22

19.70

Otolithes ruber

1.49

20.81

30.87

48.32

2.22

Pampus argenteus

3.18

0.00

100.00

0.00

3.28

Pellona ditchella

1.53

45.75

8.50

45.75

0.00

Rastrelliger kanagurta

8.93

30.52

32.53

36.95

3.14

Sardinella albella

1.79

46.78

17.93

35.29

33.54

Sardinella longiceps

43.64

37.03

15.96

47.00

36.95

Scoliodon laticaudus

0.35

0.00

100.00

0.00

35.29

Secutor insidiator

5.27

32.86

30.77

36.37

47.00

Stolephorus waitei

1.10

73.52

13.70

12.79

36.37

Thryssa mystax

3.37

35.91

29.38

34.72

12.79

Trypauchen vagina

0.85

5.88

76.47

17.65

34.72

Shrimps

     

Metapenaeus dobsoni

49.67

95.62

1.57

2.80

2.80

Parapenaeopsis stylifera

6.47

97.74

0.43

1.82

48.32

Penaeus monodon

0.80

2.52

94.34

3.14

1.82

Crabs

     

Charybdis ferriatus

0.88

17.71

61.14

21.14

21.14

Doclea ovis

9.57

30.93

26.91

42.16

29.76

Portunus sanguinolentus

8.95

25.21

41.25

33.54

45.75

Stomatopods

     

Oratosquilla nepa

19.98

96.47

0.25

3.28

15.50

Molluscan shells

79.38

63.21

17.09

19.70

0.00

Miscellaneous unidentified species

11.71

43.21

22.37

34.42

17.65

All species

317.07

58.22

17.53

24.25

24.25