Table 6 Fecundity of E. tetradactylum collected from coastal waters of Thailand
N | Standard length (cm) | Weight (g) | Gonad weight (g) | Fecundity Min–Max (× 105 eggs) | Fecundity Mean ± SD (× 105 eggs) | Egg diameter (mm) | |
|---|---|---|---|---|---|---|---|
Overall | 78 | 22.37–48.30 | 186.9–1900.0 | 5.99–66.24 | 0.49–4.97 | 1.85 ± 1.05 | 0.30 ± 0.05 |
Size class | |||||||
Medium | 39 | 22.07–29.86 | 186.9–573.5 | 5.99–16.65 | 0.49–2.24 | 1.23 ± 0.46 | 0.11 ± 0.05 |
Large | 33 | 30.13–38.61 | 346.9–1100 | 6.81–38.06 | 0.72–4.89 | 2.24 ± 1.02 | 0.30 ± 0.03 |
Extra large | 6 | 39.86–48.30 | 1000–1900 | 20.12–66.24 | 2.70–4.96 | 3.65 ± 0.92 | 0.37 ± 0.07 |
Study Site | |||||||
PTN | 61 | 24.3–48.30 | 273.9–1900 | 6.44–66.24 | 0.49–4.96 | 1.81 ± 1.04 | 0.3 ± 0.05 |
SPR | 15 | 23.34–37.93 | 186.9–800 | 6.81–36.80 | 0.72–4.89 | 2.08 ± 1.15 | 0.3 ± 0.03 |
NST | 2 | 22.07–31.55 | 209.4–485 | 5.99–14.72 | 0.56–1.78 | 1.17 ± 0.87 | 0.27 ± 0.04 |