Figure 2

A biplot of PCA (first two axes) based on measurements of haptoral sclerotized structures only showing the five best fitting morphological characters selected by CANOCO.
Symbols denote host species and their origin in each of the three subbasins of Lake Tanganyika. DALENGTO – Dorsal anchor, Length to notch, DATotlLn- Dorsal anchor, Total length, DBMaxmSt – Dorsal bar, Maximum straight width, VATotlLn – Ventral anchor, Total length, VBBranLn – Ventral bar, Branch length.