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Table 4 Comparison of the fatty acids of the scalloped and smooth hammerhead heart 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 = 12

Spring n = 6

Summer n = 6

North n = 6

Mid n = 3

South n = 3

Pooled n = 10

Spring n = 3

Summer n = 3

Autumn n = 1

Winter n = 3

Mid n = 7

South n = 3

14:0

0.92 ± 0.10

1.02 ± 0.35

0.87 ± 0.37

0.85 ± 0.55

0.65 ± 0.16

1.35 ± 0.89

0.91 ± 0.42

0.64 ± 0.04

0.77 ± 0.43

1.00

1.44 ± 0.49

1.00 ± 0.51

0.78 ± 0.26

16:0

16.43 ± 2.80

15.57 ± 1.85

17.37 ± 2.19

15.63 ± 1.70

15.02 ± 1.17

19.43 ± 7.25

13.99 ± 1.50

13.61 ± 0.83

13.20 ± 2.04

13.43

15.64 ± 1.65

13.82 ± 1.95

14.27 ± 0.35

18:0

16.90 ± 2.97

14.45 ± 1.35

18.89 ± 2.39

15.45 ± 6.15

17.77 ± 2.38

18.93 ± 4.73

18.01 ± 4.56

21.21 ± 2.24

19.89 ± 0.91

15.56

12.54 ± 2.26

15.50 ± 3.49

22.18 ± 2.58

TotalSFA

34.23 ± 2.35

31.05 ± 1.75

37.07 ± 2.90

31.88 ± 6.28

33.45 ± 3.62

39.71 ± 11.09

32.91 ± 3.87

35.46 ± 3.04

33.85 ± 1.57

29.99

29.62 ± 0.12

30.32 ± 1.36

37.23 ± 2.00

14:1n7

1.41 ± 0.53

1.23 ± 0.42

1.70 ± 0.50

1.42 ± 1.18

1.61 ± 0.91

1.21 ± 0.59

0.59 ± 0.30

0.77 ± 0.16

0.45 ± 0.64

0.45

0.52 ± 0.05

0.66 ± 0.23

0.46 ± 0.40

16:1n9

2.64 ± 0.99

3.94 ± 0.46

1.55 ± 0.54

3.04 ± 2.17

1.95 ± 0.66

2.52 ± 2.88

3.01 ± 2.23

1.34 ± 0.37

1.86 ± 1.22

5.42

5.46 ± 2.04

3.84 ± 2.45

1.62 ± 0.96

18:1n9

17.21 ± 2.00

21.10 ± 1.94

14.52 ± 0.86

20.40 ± 0.66

14.53 ± 0.66

13.49 ± 2.33

12.75 ± 2.25

11.69 ± 1.40

11.68 ± 0.65

13.97

14.80 ± 3.95

13.00 ± 2.92

12.34 ± 0.57

TotalMUFA

21.59 ± 2.85

26.28 ± 1.82

18.44 ± 1.65

25.53 ± 11.59

18.10 ± 1.05

17.21 ± 0.21

16.34 ± 4.15

13.79 ± 0.92

13.99 ± 1.24

19.84

20.77 ± 5.94

17.50 ± 5.04

14.42 ± 0.71

16:2n6

0.68 ± 0.34

0.52 ± 0.53

0.74 ± 0.60

0.83 ± 0.49

1.07 ± 0.18

0.00

0.73 ± 0.55

1.18 ± 0.13

0.65 ± 0.91

0.00

0.53 ± 0.02

0.67 ± 0.50

0.83 ± 0.72

18:2n6

0.67 ± 0.37

0.82 ± 0.60

0.67 ± 0.36

0.68 ± 0.63

0.59 ± 0.51

0.75 ± 0.71

0.56 ± 0.27

0.49 ± 0.017

0.67 ± 0.08

0.89

0.39 ± 0.49

0.52 ± 0.34

0.62 ± 0.13

20:2n6

0.00

0.00

0.00

0.00

0.00

0.00

0.11 ± 0.25

0.05 ± 0.03

0.00

0.70

0.00

0.17 ± 0.30

0.00

20:3n6

0.00

0.00

0.00

0.00

0.00

0.00

0.06 ± 0.07

0.07 ± 0.02

0.00

0.12

0.06 ± 0.04

0.09 ± 0.08

0.00

20:4n6

8.31 ± 0.92

6.89 ± 1.07

9.28 ± 1.08

7.77 ± 2.10

9.66 ± 0.02

8.06 ± 2.36

7.84 ± 2.04

8.96 ± 0.41

9.38 ± 1.34

5.76

5.68 ± 1.07

6.96 ± 2.09

9.31 ± 0.82

22:4n6

1.02 ± 0.72

1.15 ± 0.78

1.08 ± 0.26

1.28 ± 0.67

1.05 ± 0.95

0.46 ± 0.10

1.34 ± 1.32

2.43 ± 0.50

0.96 ± 1.35

0.59

0.48 ± 0.15

0.84 ± 0.61

2.17 ± 1.93

22:5n6

1.14 ± 0.85

0.72 ± 0.27

1.46 ± 0.29

1.11 ± 0.19

0.91 ± 0.32

1.43 ± 0.36

0.79 ± 0.61

0.48 ± 0.14

1.05 ± 0.83

0.84

0.96 ± 0.01

0.93 ± 0.35

0.55 ± 0.95

Totaln6PUFA

11.82 ± 1.99

10.10 ± 1.50

13.21 ± 2.14

11.67 ± 1.57

13.27 ± 1.04

10.67 ± 1.34

11.43 ± 2.08

13.65 ± 2.15

12.70 ± 2.69

8.90

8.09 ± 0.76

10.19 ± 1.93

13.49 ± 2.41

18:3n3

2.09 ± 0.86

3.52 ± 1.23

1.10 ± 0.30

3.16 ± 1.89

0.92 ± 0.27

1.11 ± 0.32

0.72 ± 0.34

0.77 ± 0.12

0.27 ± 0.18

1.07

0.92 ± 0.12

0.87 ± 0.20

0.47 ± 0.01

18:4n3

0.12 ± 0.10

0.11 ± 0.10

0.15 ± 0.07

0.13 ± 0.11

0.21 ± 0.10

0.00

0.14 ± 0.10

0.18 ± 0.08

0.13 ± 0.08

0.00

0.17 ± 0.01

0.14 ± 0.01

0.15 ± 0.03

20:3n3

0.15 ± 0.10

0.17 ± 0.13

0.16 ± 0.09

0.20 ± 0.12

0.20 ± 0.11

0.00

0.28 ± 0.13

0.54 ± 0.38

0.23 ± 0.02

0.05

0.06 ± 0.04

0.16 ± 0.07

0.48 ± 0.16

20:5n3

4.31 ± 0.80 g

4.66 ± 0.47

3.88 ± 0.88

3.08 ± 1.04

4.47 ± 0.19hB

6.60 ± 1.09B

7.65 ± 1.33 g

6.88 ± 0.67

7.26 ± 0.12

7.92

9.07 ± 0.75

8.43 ± 0.86hB

6.35 ± 0.78B

22:5n3

2.10 ± 0.12

2.10 ± 0.46

1.95 ± 0.33

1.85 ± 0.39

2.45 ± 0.35

2.26 ± 0.90

2.95 ± 0.75

2.99 ± 0.40

2.42 ± 0.30

3.05

3.36 ± 0.65

3.31 ± 0.73

2.35 ± 0.23

22:6n3

21.22 ± 3.87 g

20.56 ± 2.24

21.44 ± 2.17

21.04 ± 2.24

23.20 ± 0.07hB

19.60 ± 2.83B

25.71 ± 2.11 g

23.29 ± 3.74

25.23 ± 2.25

29.83

27.76 ± 1.94

27.78 ± 2.73hB

22.26 ± 3.95B

Totaln3PUFA

29.98 ± 3.60 g

31.11 ± 3.06

28.68 ± 3.98

29.45 ± 2.32

31.45 ± 3.31hB

29.56 ± 1.51B

37.30 ± 2.50 g

34.27 ± 2.42

35.53 ± 0.94

41.92

41.33 ± 3.56

40.45 ± 3.65hB

32.06 ± 3.61B

TotalPUFA

41.80 ± 3.20 g

41.21 ± 2.04

41.88 ± 2.85

41.12 ± 2.63

44.72 ± 3.16hB

40.23 ± 1.56B

48.73 ± 3.71 g

47.92 ± 1.36

48.23 ± 1.75

50.82

49.42 ± 2.32

50.64 ± 3.34hB

45.55 ± 1.26B

  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. ‘g’ = significant differences between smooth and scalloped data sets labelled ‘g’.
  16. ‘h’ = significant differences between smooth and scalloped data sets labelled ‘h’.
  17. ‘B’ = significant differences between Mid and South data sets labelled ‘B’.