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Table 3 Comparison of the fatty acids of the scalloped and smooth hammerhead liver samples

From: Comparison of total lipids and fatty acids from liver, heart and abdominal muscle of scalloped (Sphyrna lewini) and smooth (Sphyrna zygaena) hammerhead sharks

Fatty acid

Scalloped

Smooth

µ ± SD

Pooled n = 14

Spring n = 7

Summer n = 7

North n = 5

Mid n = 5

South n = 4

Pooled n = 19

Spring n = 5

Summer n = 5

Autumn n = 3

Winter n = 6

Mid n = 14

South n = 5

14:0

2.62 ± 1.29

3.12 ± 1.72

2.19 ± 0.69

3.30 ± 0.66

2.90 ± 0.71

1.78 ± 0.68

2.40 ± 0.94

0.59 ± 0.15

2.64 ± 0.64

1.75 ± 0.23

2.53 ± 0.23

2.60 ± 0.25

1.37 ± 0.24

16:0

17.91 ± 2.02

14.26 ± 2.41

20.46 ± 2.93

17.72 ± 3.38

19.56 ± 1.00

17.11 ± 2.07

16.58 ± 1.73

19.02 ± 1.10

15.43 ± 1.12

14.29 ± 0.80

17.19 ± 0.41

17.37 ± 2.64

12.35 ± 2.80

18:0

6.74 ± 1.15

4.49 ± 1.88

8.11 ± 1.55

5.99 ± 0.53

7.35 ± 1.74

7.12 ± 1.95

6.10 ± 0.71

5.37 ± 1.19

5.67 ± 1.90

7.69 ± 1.99

6.16 ± 0.25

5.95 ± 1.16

6.88 ± 1.43

TotalSFA

27.39 ± 3.17

21.96 ± 2.27

30.92 ± 4.42

27.19 ± 2.08

29.89 ± 2.62

26.08 ± 2.97

25.12 ± 1.71

25.10 ± 1.99

23.56 ± 2.61

23.74 ± 2.58

25.89 ± 0.70

25.93 ± 1.23

20.79 ± 3.49

14:1n7

0.41 ± 0.34

0.21 ± 0.24

0.52 ± 0.29

0.29 ± 0.21

0.51 ± 0.17

0.48 ± 0.22

0.51 ± 0.19

0.12 ± 0.11

0.64 ± 0.28

0.35 ± 0.02

0.36 ± 0.06

0.56 ± 0.123

0.21 ± 0.10

16:1n9

10.72 ± 2.39

14.07 ± 2.80

7.76 ± 1.71

12.47 ± 1.13

11.83 ± 2.28

8.31 ± 1.91

5.77 ± 1.78

3.84 ± 1.89

5.43 ± 1.16

6.28 ± 0.60

6.96 ± 0.37

6.06 ± 1.91

4.25 ± 1.06

18:1n9

20.48 ± 2.90

20.13 ± 1.41

21.16 ± 2.93

17.81 ± 2.69

19.63 ± 2.28

23.66 ± 2.68

13.60 ± 1.19

16.40 ± 1.55

12.55 ± 0.76

12.41 ± 0.47

13.23 ± 0.21

13.69 ± 2.26

13.16 ± 2.18

TotalMUFA

31.60 ± 2.96

34.38 ± 2.05

29.44 ± 2.65

30.57 ± 1.40

31.97 ± 1.84

32.41 ± 2.18

19.88 ± 2.07

20.36 ± 1.88

18.50 ± 2.16

19.04 ± 0.80

20.55 ± 0.61

20.30 ± 3.03

17.62 ± 2.58

16:2n6

0.54 ± 0.67

0.22 ± 0.34

0.72 ± 0.81

0.40 ± 0.19

0.73 ± 0.42

0.57 ± 0.28

0.53 ± 0.27

0.21 ± 0.10

0.60 ± 0.24

0.53 ± 0.03

0.57 ± 0.04

0.56 ± 0.17

0.36 ± 0.13

18:2n6

0.48 ± 0.58

0.32 ± 0.49

0.72 ± 0.65

0.57 ± 0.18

0.21 ± 0.17

0.54 ± 0.15

1.27 ± 0.24

0.29 ± 0.10

1.46 ± 1.00

1.02 ± 0.14

1.04 ± 0.05

1.35 ± 0.34

0.86 ± 0.28

20:2n6

0.16 ± 0.21

0.14 ± 0.22

0.20 ± 0.22

0.25 ± 0.12

0.11 ± 0.05

0.09 ± 0.01

0.46 ± 0.31

0.19 ± 0.16

0.40 ± 0.31

0.16 ± 0.27

0.48 ± 0.53

0.24 ± 0.09

1.61 ± 0.99

20:3n6

0.04 ± 0.16

0.00

0.00

0.00

0.19 ± 0.12

0.00

0.08 ± 0.07

0.00

0.08 ± 0.01

0.15 ± 0.08

0.19 ± 0.09

0.10 ± 0.07

0.00

20:4n6

3.31 ± 0.58

2.78 ± 0.99

3.76 ± 0.19

3.02 ± 0.87

3.17 ± 0.34

3.69 ± 1.15

2.88 ± 0.35

3.44 ± 0.95

2.60 ± 0.58

3.40 ± 0.57

2.97 ± 0.06

2.59 ± 0.26

4.46 ± 1.89

22:4n6

0.89 ± 0.12

0.36 ± 0.50

1.38 ± 0.46

0.50 ± 0.40

0.62 ± 0.13

1.43 ± 1.17

0.59 ± 0.30

0.30 ± 0.28

0.55 ± 0.12

0.78 ± 0.18

0.81 ± 0.10

0.58 ± 0.12

0.66 ± 0.09

22:5n6

1.61 ± 0.09

0.95 ± 0.19

2.18 ± 0.68

1.30 ± 0.77

1.42 ± 0.19

2.03 ± 1.52

1.59 ± 0.24

1.80 ± 0.11

1.50 ± 0.54

1.59 ± 0.09

1.54 ± 0.08

1.22 ± 0.30

3.54 ± 0.97

Totaln6PUFA

7.06 ± 1.94

4.83 ± 0.47

9.97 ± 1.49

6.15 ± 0.95

6.44 ± 0.33

8.34 ± 1.29

7.38 ± 1.79

6.14 ± 1.26

6.97 ± 0.95

7.62 ± 0.56

7.59 ± 0.62

6.64 ± 1.33

11.35 ± 1.07

18:3n3

4.06 ± 0.71

3.60 ± 0.91

4.74 ± 0.77

2.82 ± 0.45

3.03 ± 0.70

5.93 ± 1.00

1.49 ± 0.11

1.57 ± 0.01

1.53 ± 0.05

1.38 ± 0.47

1.23 ± 0.19

1.30 ± 0.47

2.50 ± 0.18

18:4n3

0.08 ± 0.15

0.06 ± 0.13

0.13 ± 0.17

0.13 ± 0.14

0.04 ± 0.01

0.07 ± 0.01

0.18 ± 0.15

0.06 ± 0.01

0.16 ± 0.03

0.00

0.87 ± 0.19

0.21 ± 0.19

0.09 ± 0.11

20:3n3

0.06 ± 0.08

0.05 ± 0.07

0.08 ± 0.09

0.09 ± 0.07

0.04 ± 0.01

0.03 ± 0.01

0.10 ± 0.04

0.09 ± 0.03

0.10 ± 0.10

0.12 ± 0.01

0.13 ± 0.03

0.09 ± 0.04

0.15 ± 0.13

20:5n3

6.13 ± 1.82

9.19 ± 0.80

3.41 ± 1.06

8.00 ± 1.46

6.70 ± 031

3.91 ± 1.04

6.81 ± 0.59

4.17 ± 01.97

6.21 ± 1.06

7.16 ± 0.65

9.62 ± 0.29

7.47 ± 1.17

3.32 ± 0.84

22:5n3

1.62 ± 0.15

1.07 ± 044

2.06 ± 0.67

1.51 ± 0.09

1.73 ± 0.21

1.66 ± 0.49

2.46 ± 0.29

1.55 ± 0.70

2.27 ± 0.14

3.33 ± 0.07

3.34 ± 0.16

2.51 ± 1.22

2.23 ± 0.93

22:6n3

20.70 ± 3.71a

24.38 ± 1.21bA

18.26 ± 2.28A

22.83 ± 1.01

19.02 ± 1.43c

19.58 ± 2.39d

35.28 ± 3.05a

40.30 ± 2.11bA

32.77 ± 2.66A

37.06 ± 2.26

30.25 ± 1.28

34.48 ± 3.70c

39.58 ± 3.64d

Totaln3PUFA

32.65 ± 2.19a

38.35 ± 2.01bA

28.67 ± 2.95A

35.37 ± 2.51

30.56 ± 3.91c

31.17 ± 3.54d

46.28 ± 2.80a

47.63 ± 3.60bA

42.67 ± 2.19A

49.04 ± 2.28

45.01 ± 1.16

45.99 ± 2.35c

47.81 ± 3.99d

TotalPUFA

39.67 ± 2.93a

43.10 ± 1.91bA

37.64 ± 1.21A

41.43 ± 2.93

37.01 ± 2.24c

39.52 ± 2.05d

53.66 ± 1.07a

53.77 ± 2.66bA

49.55 ± 3.09A

56.67 ± 2.63

52.60 ± 0.98

52.63 ± 2.91c

59.16 ± 5.64d

  1. Data shown as mean ± SD.
  2. ‘n’ refers to the number of individual fish sampled in all cases.
  3. ‘Pooled’ = all sample data pooled irrespective of season or region.
  4. ‘TotalSFA’ = total saturated fatty acids.
  5. ‘TotalMUFA’ = total monounsaturated fatty acids.
  6. ‘TotalPUFA’ = total polyunsaturated fatty acids.
  7. ‘Totaln-6PUFA’ = total n-6 polyunsaturated fatty acids.
  8. ‘Totaln-3PUFA’ = total n-3 polyunsaturated fatty acids.
  9. Seasons: ‘SP’ = spring; ‘SU’ = summer; ‘AU’ = autumn; ‘WI’ = winter.
  10. Regions: ‘N’ = north; ‘M’ = mid; ‘S’ = south.
  11. ‘a’ = significant differences between smooth and scalloped data sets labelled ‘a’.
  12. ‘b’ = significant differences between smooth and scalloped data sets labelled ‘b’.
  13. ‘c’ = significant differences between smooth and scalloped data sets labelled ‘c’.
  14. ‘d’ = significant differences between smooth and scalloped data sets labelled ‘d’.
  15. ‘A’ = significant differences between Spring and Summer data sets labelled ‘A’.