Table 4 Size attributes of E. tetradactylum collected from coastal areas of Thailand

Small

11.96

21.04

237

17.91 − 18.35

18.13 ± 1.71

110.59 ± 29.67

Medium

21.13

29.89

357

25.51 − 25.97

25.74 ± 2.19

316.43 ± 89.11

Large

30.13

38.61

103

32.58 − 33.39

32.96 ± 2.06

614.70 ± 151.83

Extra Large

39.25

48.30

24

41.12 − 43.02

42.07 ± 2.20

1116.47 ± 261.12

Sex

 Male

11.96

44.32

496

21.29 − 22.80

22.36 ± 4.96

229.69 ± 168.90

 Transitional sex

22.07

37.57

22

26.82 − 30.16

28.49 ± 3.68

436.91 ± 168.54

 Female

22.37

48.30

203

29.69 − 31.16

30.43 ± 5.29

520.92 ± 265.47

Site

 STN

19.83

28.26

22

21.85 − 23.90

22.87 ± 2.25

215.25 ± 64.93

 PTN

11.96

48.30

429

26.83 − 27.92

27.37 ± 5.75

409.13 ± 250.33

 SPR

22.52

42.34

39

28.42 − 31.62

30.02 ± 4.86

442.76 ± 205.40

 NST

14.76

31.55

231

19.01 − 19.75

19.38 ± 2.86

137.51 ± 67