Table 3. Maturation and spawning performances of 2.5-year-old females held under two salinity conditions

	First test		Second test
	Full salinity (34.5–35.1 psu)	Low salinity [29.6–31.0 psu]	Full salinity (34.5–35.1 psu)	Low salinity [29.6–31.0 psu]
Maturation rate (%)	29.5±3.2	63.4±2.5*	25.7±4.2	71.4±5.3*
Spawning rate (%)	19.7±1.1	35.6±3.8*	15.3±2.7	40.3±4.6*
No. fertilized egg collected	1,110,000	2,670,000	1,049,000	4,517,000
Egg size (mm)	1.39±0.04	1.63±0.03*	1.25±0.08	1.43±0.05*
Hatching rate (%)	19.3±2.3	53.8±4.6*	28.3±3.2	56.4±7.1*

significant difference compared to control (Group Ⅰ) value (p<0.05). Values are means±SEM (n=40).