Table 5. Explained variation associated with loadings

Characteristics	Native			Vietnam-originated
	PC1	PC2	PC3	PC1	PC2	PC3
TL	–0.37	–0.003	0.02	0.38	0.09	–0.01
SL	–0.36	–0.003	–0.14	0.37	0.03	0.08
HL	–0.36	0.01	–0.20	0.32	–0.11	–0.43
BD	–0.34	–0.09	–0.24	0.29	–0.38	–0.34
ED	–0.28	0.30	0.31	0.24	0.11	0.70
DFL	–0.34	0.05	–0.39	0.36	–0.04	0.14
PCFL	–0.28	–0.56	–0.06	0.28	–0.55	0.17
PVFL	–0.18	0.76	–0.08	0.20	0.67	–0.31
AFL	–0.33	–0.11	0.20	0.37	0.10	–0.02
CFL	–0.28	–0.06	0.76	0.29	0.24	0.24
Eigenvalues	6.92	1.17	0.62	6.23	1.32	0.91
Proportion of variance	0.80	0.14	0.07	0.74	0.16	0.11

TL, total length; SL, standard length; HL, head length; BD, body depth; ED, eye diameter; DFL, dorsal fin length; PCFL, pectoral fin length; PVFL, pelvic fin length; AFL, anal fin length; CFL, caudal fin length.