Table 1. Specimens for this study with locality, types of spotted scat and voucher code

Locality	Types of samples	Voucher code	Number of specimens
Thua Thien Hue	Samples from natural adults in the lagoon	From HU_01 to HU_10	10
	Samples from growth-out culture in cage which collected natural fingerlings (51.68 ± 5.34 in weight and 11.36 ± 0.42 in length)	From HU_11 to HU_20	10
	Samples from growth-out culture in ponds which collected natural fingerlings (30.13 ± 0.38 in weight and 9.38 ± 0.18 in length)	From HU_21 to HU_31	11
Ca Mau	Samples were collected from natural source (17.72 ± 0.79 in weight and 8.23 ± 0.11 in length)	From CM_01 to CM_14	14