Table 1 Dimension of body shape used in this study

Dimensions
Standard length	Ls
Eye diameter	ED
Classical dimension
Most anterior extension of the head×anterior origin of dorsal fin	1×2
Most anterior extension of the head×posterior origin of dorsal fin	1×3
Most anterior extension of the head×anterior origin of anal fin	1×5
Most anterior extension of the head×anterior origin of pelvic fin	1×6
Longest length between most anterior extension of the head and gill cover	1×8
Anterior origin of dorsal fin×most posterior scale in lateral line	2×4
Truss dimension
Anterior origin of dorsal fin×anterior origin of anal fin	2×5
Anterior origin of dorsal fin×anterior origin of pelvic fin	2×6
Anterior origin of dorsal fin×origin of pectoral fin	2×7
Dorsal fin length	2×9
Posterior origin of dorsal fin×anterior origin of anal fin	3×5
Posterior origin of dorsal fin×anterior origin of pelvic fin	3×6
Posterior origin of dorsal fin×origin of pectoral fin	3×7