Tab. 6 in A new genus of Neotropical rheophilic catfishes, with four new species (Teleostei: Siluriformes: Pseudopimelodidae)

Tab. 6. Variables loadings on the three first axes of the principal components analysis of combined samples of R. anulatus (N = 2), R. epiblepsis (N = 25), Rhyacoglanis paranensis (N = 22), R. pulcher (N = 3) and R. seminiger (N = 9). Variables with greater loadings = *. Axis 1Axis 2Axis 3Standard length0.17-0.030.05Head length0.20-0.01-0.03Pectoral-girdle width0.21-0.01-0.04Predorsal length0.18-0.04-0.03Dorsal-fin base length0.190.03-0.08Adipose-fin base length0.18-0.19*0.08Prepelvic length0.190.020.04Distance between pelvic and anal fins0.17-0.170.06Anal-fin base length0.16-0.08-0.04Caudal-peduncle length0.170.030.21*Body depth0.230.14-0.27*Caudal-peduncle depth0.21-0.14-0.06Pectoral-fin spine length0.130.23*0.21*Dorsal-fin spine length0.100.33*0.32*Pelvic-fin length0.170.150.12Postcleithral-process length0.170.31*-0.004Distance between dorsal and pelvic fins0.230.04-0.07Distance between pelvic fins0.190.006-0.03Distance between pelvic-fin and anus0.190.16-0.06Distance between anus and anal fin0.16-0.58*0.48*Eye diameter0.14-0.03-0.36*Interorbital distance0.200.140.09Snout length0.21-0.02-0.02Mouth width0.22-0.07-0.06Head depth0.200.25*-0.16Maxillary-barbel length0.160.060.11Distance between anterior and posterior nostrils0.14-0.050.19Distance between posterior nostril and eye0.23-0.36*-0.42*Distance between posterior nostrils0.190.110.25*% variance of eigenvalues84.166.981.65