Table A2.

Loadings (importance) of different linear traits on the first three PC-axes. The three most important morphological traits are in boldface

Morphological trait	PC1	PC2	PC3
Eye diameter	−0.31	0.21	0.50
Snout length	−0.77	−0.34	0.01
Maxilla length	−0.43	0.14	−0.63
Head length	−0.30	0.11	0.09
Head depth	−0.12	0.20	0.01
Body depth anterior	0.06	0.29	−0.21
Body depth posterior	0.05	0.18	−0.25
Caudal peduncle depth	−0.01	0.18	−0.24
Dorsal fin length	−0.02	0.48	−0.23
Pectoral fin length	−0.15	0.63	0.37