Table 5. Statistics of growth-related traits in the large and small subpopulations.

Growth traits	Large subpopulation	Small subpopulation	P-value
Shell height (mm)	33.95±3.33	17.02±1.66	0.0000
Shell length (mm)	37.55±3.13	20.51±1.48	0.0000
Shell width (mm)	11.22±1.26	5.80±0.64	0.0000
Hinge length (mm)	34.23±2.96	18.36±1.14	0.0000
Total weight (g)	4.39±1.12	0.69±0.17	0.0000
Soft tissue weight (g)	1.36±0.47	0.15±0.06	0.0000
Shell weight (g)	2.15±0.52	0.37±0.09	0.0000

Estimates are given as mean±standard deviation. P-values were statistically significant at the 0.05 level.