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Table 1 Overview of test results of 88 fish samples collected in this study

From: Methylmercury and long-chain n-3 fatty acids of 88 fish species commonly consumed in Hong Kong

Item

Fish species

Common name

Number of samples

tHg

MeHg

EPA

DHA

EPA + DHA

1

Acanthopagrus latus

Yellowfin seabream

4

0.041

0.034

1.28

3.34

4.62

2

Acanthopagrus schlegeli

Black porgy, blackhead seabream

1

0.136

0.116

0.21

0.74

0.94

3

Anguilla japonica

Japanese eel

5

0.071

0.060

2.99

7.51

10.5

4

Ariomma indica

Indian ariomma, Indian driftfish

3

0.010

0.005

0.32

1.77

2.09

5

Aristichthys nobilis

Bighead carp

3

0.036

0.029

0.33

0.52

0.85

6

Beryx splendens a

Splendid alfonsino

3

1.053

0.827

0.94

2.90

3.84

7

Branchiostegus albus

White horsehead

4

0.073

0.059

0.87

3.04

3.91

8

Cephalopholis urodeta

Darkfin hind

3

0.094

0.087

0.13

1.03

1.16

9

Channa maculata

Snakehead, blotched snakehead

3

0.048

0.037

0.59

2.78

3.37

10

Choerodon schoenleinii

Green wrasse, blackspot tuskfish

4

0.095

0.076

0.33

0.64

0.96

11

Cirrhinus molitorella

Mud carp

3

0.039

0.030

0.61

1.20

1.81

12

Clarias fuscus

Catfish, Hong Kong catfish

3

0.007

0.005

0.54

1.62

2.16

13

Cololabis saira a

Pacific saury

3

0.056

0.042

0.16

0.36

0.52

14

Cromileptes altivelis

Humpback grouper

3

0.101

0.078

0.08

0.64

0.73

15

Ctenopharyngodon idellus

Grass carp

3

0.008

0.003

0.08

0.49

0.57

16

Cynoglossus arel

Largescale tonguesole, tonguefish

3

0.075

0.057

0.13

0.39

0.52

17

Cynoglossus bilineatus

Fourlined tonguesole

3

0.039

0.028

0.13

0.55

0.68

18

Dentex tumifrons

Golden tail, yellowback seabream

4

0.281

0.253

0.90

4.21

5.11

19

Eleutheronema tetradactylum

Fourfinger threadfin, blind tasselfish

3

0.065

0.048

3.59

4.83

8.42

20

Epinephelus areolatus

Areolate grouper, green-spotted rock cod

3

0.066

0.047

1.52

5.22

6.74

21

Epinephelus awoara

Yellow grouper, banded grouper

3

0.118

0.087

0.35

1.16

1.51

22

Epinephelus bleekeri

Duskytail grouper

3

0.080

0.067

0.63

2.34

2.97

23

Epinephelus coioides

Green grouper, orange-spotted grouper, estuary grouper

3

0.057

0.047

0.34

1.33

1.67

24

Epinephelus fasciatomaculosus

Rock grouper, banded reef-cod

3

0.086

0.063

0.66

1.20

1.86

25

Epinephelus hexagonatus

Starspotted grouper

2

0.065

0.056

0.05

0.59

0.64

26

Epinephelus lanceolatus

Giant grouper

4

0.051

0.037

2.61

4.58

7.19

27

Epinephelus merra

Honeycomb grouper

1

0.033

0.030

0.07

0.53

0.61

28

Epinephelus quoyanus

Longfin grouper

1

0.068

0.060

0.64

1.89

2.53

29

Epinephelus trimaculatus

Threespot grouper

1

0.076

0.055

0.17

0.76

0.92

30

Gymnothorax favagineus

Laced moray

1

0.166

0.123

2.29

7.13

9.42

31

Gymnothorax reevesii

Reeve's moray

3

0.067

0.055

1.05

4.05

5.10

32

Hapalogenys nitens

Skewband grunt, grunt

3

0.118

0.078

3.64

11.90

15.5

33

Harpadon nehereus

Bombay duck

3

0.017

0.013

0.14

0.43

0.57

34

Katsuwonus pelamis a

Skipjack tuna

3

0.143

0.128

0.12

0.97

1.09

35

Larimichthys croceus

Yellow croaker, croceine croaker, large yellow croaker

3

0.044

0.036

3.41

9.52

12.9

36

Lateolabrax japonicus

Japanese seaperch, common sea bass, Japanese seabass

5

0.038

0.028

0.73

1.59

2.32

37

Lates calcarifer

Barramundi

6

0.091

0.077

0.24

0.71

0.95

38

Lethrinus obsoletus

Orange-striped emperor

2

0.050

0.037

0.11

0.44

0.55

39

Lutjanus argentimaculatus

Mangrove red snapper

5

0.060

0.046

0.49

1.16

1.65

40

Lutjanus malabaricus

Red snapper, Malabar blood snapper

3

0.106

0.078

0.29

1.02

1.31

41

Lutjanus russelli

Russell's snapper, fingermark bream

3

0.112

0.087

0.12

0.94

1.07

42

Lutjanus stellatus

Star snapper

3

0.161

0.105

0.53

1.53

2.06

43

Megalobrama terminalis

Black amur bream

1

0.007

0.006

0.10

0.21

0.31

44

Micropterus salmoides

Largemouth bass, largemouth black bass

3

0.069

0.050

1.12

4.25

5.37

45

Mugil cephalus

Grey mullet, flathead grey mullet

3

0.014

0.009

1.00

1.35

2.35

46

Mulloidichthys flavolineatus

Yellowstripe goatfish

1

0.042

0.030

0.22

0.81

1.03

47

Nemipterus japonicus

Japanese golden thread, Japanese threadfin bream

4

0.036

0.031

0.89

1.73

2.62

48

Nemipterus virgatus

Golden threadfin bream, golden thread

3

0.054

0.041

1.16

3.63

4.79

49

Oreochromis niloticus niloticus

Tilapia, Nile tilapia

4

0.017

0.013

0.06

0.65

0.70

50

Pagrus major

Red pargo, Japanese seabream, Red seabream

3

0.051

0.039

1.70

6.41

8.11

51

Pampus argenteus

Silver pomfret, butterfish, pomfret

5

0.017

0.011

2.42

7.70

10.1

52

Pampus nozawae

Swallow tail pomfret

3

0.024

0.015

0.97

4.02

4.99

53

Paralichthys olivaceus a

False halibut, bastard halibut

3

0.048

0.035

4.26

7.90

12.2

54

Parupeneus barberinus

Dash-and-dot goatfish

1

0.15

0.136

0.14

0.43

0.57

55

Parupeneus indicus

Indian goatfish

2

0.188

0.166

0.87

1.19

2.06

56

Pennahia argentata

White croaker, white chinese croaker, silver croaker

5

0.079

0.062

0.19

1.86

2.05

57

Platycephalus indicus

Flathead, bartail flathead

4

0.108

0.081

0.66

1.62

2.28

58

Platycephalus spp

Flathead

1

0.051

0.041

0.59

2.05

2.64

59

Plectorhinchus cinctus

Cresent sweetlips, grunt

3

0.064

0.050

0.10

1.01

1.11

60

Plectropomus areolatus

Squaretail coralgrouper

2

0.091

0.068

0.13

1.04

1.17

61

Plectropomus leopardus

Leopard coralgrouper

4

0.052

0.042

0.14

1.46

1.60

62

Pomadasys kaakan

Javelin grunter

4

0.090

0.078

0.20

1.09

1.29

63

Priacanthus tayenus

Purple-spotted bigeye, big-eye perch

4

0.044

0.033

0.50

2.00

2.50

64

Priacanthus macracanthus

Red bigeye, bulls-eye perch

2

0.019

0.012

0.28

1.82

2.10

65

Psenopsis anomala

Butter fish, Pacific rudderfish

4

0.013

0.010

0.54

1.45

1.99

66

Pseudocaranx dentex a

White trevally

3

0.101

0.084

5.13

8.70

13.8

67

Rachycentron canadum

Black bonito, cobia

1

0.101

0.100

0.15

0.43

0.57

68

Salmo Salar a

Atlantic salmon

3

0.034

0.025

8.40

12.20

20.6

69

Sarda orientalis a

Striped bonito

3

0.101

0.076

0.57

1.62

2.19

70

Sardinops sagax a

South American pilchard

3

0.031

0.026

0.54

2.10

2.64

71

Saurida elongata

Slender lizardfish

2

0.020

0.016

0.63

2.71

3.34

72

Saurida tumbil

Greater lizardfish

1

0.024

0.018

0.62

2.79

3.41

73

Scatophagus argus

Spotted scat, butter fish, spade fish

3

0.034

0.028

0.82

3.00

3.82

74

Scomber japonicus a

Chub mackerel

3

0.213

0.152

0.19

1.02

1.21

75

Scomberomorus commerson

Narrow-barred Spanish mackerel, albacore, banded tuna

1

0.083

0.059

0.45

2.21

2.66

76

Scomberomorus guttatus

Indo-pacific king mackerel

5

0.087

0.069

0.38

2.21

2.59

77

Sebastiscus marmoratus

Rockfish

3

0.033

0.025

0.82

1.68

2.50

78

Seriola dumerili a

Purple amberjack, greater amberjack

3

0.113

0.089

4.31

8.33

12.6

79A

Seriola lalandi a (Region A)

Yellowtail kingfish, Yellowtail amberjack

3

0.219

0.192

0.65

2.47

3.12

79B

Seriola lalandi a (Region B)

Yellowtail kingfish, Yellowtail amberjack

3

0.031

0.023

6.08

6.70

12.8

80

Siganus canaliculatus

Rabbitfish, pearl-spotted spinefoot, white-spotted spinefoot

3

0.014

0.009

0.70

5.33

6.03

81

Sillago japonica

Japanese sillago

3

0.133

0.117

0.41

1.13

1.54

82

Siniperca chuatsi

Freshwater grouper, Mandarin fish

3

0.091

0.077

0.62

1.28

1.90

83

Sphyraena flavicauda a

Yellowtail barracuda, barracudas

3

0.295

0.216

0.40

0.91

1.30

84

Trachinotus blochii

Snubnose pompano

3

0.056

0.048

0.20

1.37

1.57

85

Trachurus japonicus a

Japanese jack mackerel, Atlantic horse mackerel

3

0.064

0.042

0.24

0.82

1.06

86

Trichiurus lepturus

Largehead hairtail, hairtail

5

0.091

0.069

0.65

2.83

3.48

87

Trichiurus nanhaiensis

Largehead hairtail, South China Sea hairtail

1

0.056

0.042

0.16

1.03

1.19

88

Variola albimarginata

White-edged lyretail

3

0.102

0.073

0.06

0.73

0.79

  1. Note: Concentration of tHg and MeHg was in ug/g while n-3 fatty acids were in mg/g respectively.
  2. aDenote imported fish.