Tab. 2 in DNA barcoding confirms the occurrence of Rhamdia branneri and Rhamdia voulezi (Siluriformes: Heptapteridae) in the Iguaçu River Basin

Tab. 2. Variable loading on the first and second axis of the principal components analysis of Rhamdia voulezi and Rhamdia branneri from Iguaçu River Basin, Paraná State, Brazil. VariableAxis 1Axis 2Head length0.34930.0626Orbital diameter0.19910.2041Maxillary barbel length0.2749-0.3599Predorsal distance0.28790.0004Dorsal-fin base length0.3322-0.1903Dorsal fin to adipose fin distance-0.055360.8025Adipose-fin base length0.33920.1785Prepelvic length0.395-0.0272Anal-fin base length0.09651-0.0556Caudal peduncle depth0.304-0.1189Caudal peduncle length0.44010.3081Eigenvalue0.02144730.0106Percent of variance66.85%33.14%