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Table 3 Diet composition of captured elasmobranchs

From: Feeding ecology of elasmobranch fishes in coastal waters of the Colombian Eastern Tropical Pacific

 

M. lunulatus

D. longa

R. leucorhynchus

R. velezi

Z. xyster

 

% O

% N

%W

% IRI

% O

% N

%W

% IRI

% O

% N

%W

% IRI

% O

% N

%W

% IRI

% O

% N

%W

% IRI

CRUSTACEA

                    

STOMATOPODA

                    

Squillidae

    

14.28

58.30

4.48

54.87

4.16

2.85

0.31

0.31

        

Squilla panamensis

61.90

62.90

28.10

92.77

            

12.90

18.20

26.00

20.83

Squilla parva

14.28

9.27

5.95

4.01

                

Pseudosquilla similis

2.38

1.03

2.07

0.12

                

Total Stomatopoda

78.56

73.20

36.10

96.90

14.28

58.30

4.48

54.87

4.16

2.85

0.31

0.31

    

12.90

18.20

26.00

20.83

DECAPODA

                    

Portunidae

        

8.33

8.57

0.47

1.79

        

Euphylax sp.

2.38

1.03

0.40

0.05

                

Portunus asper

4.76

3.09

7.32

0.78

                

Callinectes toxotes

2.38

1.03

0.40

0.05

                

Hepatus sp.

4.76

2.06

0.75

0.21

                

Brachiura

                

3.20

4.54

0.59

0.56

Penaeidae

        

25.00

31.30

10.30

24.82

    

19.40

27.3

31.4

41.89

Pennaeus occidentales

7.14

2.06

0.75

0.23

                

Trachypenaeus sp.

4.76

2.06

0.40

0.49

    

33.30

45.70

30.30

60.44

15.38

46.20

45.70

29.57

    

Palaemonidae

2.38

9.27

4.11

0.49

                

Hipiddae

7.14

4.12

2.20

0.71

4.76

8.33

15.70

6.98

        

3.20

4.54

2.09

0.74

Total Decapoda

35.70

24.70

16.50

3.01

4.76

8.33

15.70

6.98

66.63

85.60

41.70

87.05

15.38

46.20

45.70

29.57

25.80

36.40

34.10

43.19

MOLLUSCA

                    

GASTEROPODA

                    

Buccinidae

2.38

1.03

0.03

0.04

                

Agaronia testacea

    

4.76

8.33

7.62

4.59

            

Distorsio decussata

    

4.76

8.33

7.62

2.71

            

BIVALVIA

                    

Terebridae

2.38

1.03

0.16

0.04

                

Total Mollusca

4.76

2.06

0.19

0.08

9.52

16.70

7.92

7.30

            

FISHES

                    

Fish

    

9.50

16.70

36.80

31.05

12.50

11.40

30.90

12.64

38.46

38.50

37.40

61.17

16.10

27.30

14.60

24.81

Batrachoididae

            

15.38

15.40

13.40

9.26

    

Cynoglossidae

                

9.70

18.20

13.70

11.16

Total Fishes

    

9.50

16.70

36.80

31.05

12.50

11.40

30.90

12.64

53.84

53.90

50.80

70.43

25.80

45.50

28.30

35.97

Digested material

  

47.20

   

35.10

   

27.10

   

3.52

   

11.40

 
  1. Prey items observed in stomachs of five species of elasmobranchs captured in the Eastern Tropical Pacific Ocean of Colombia. %O is frequency of occurrence, %N is percentage by number, %W is percentage by weight
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BMC Ecology

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