Scatterplot of the scores for the first two principal components (PC1 and PC2). Inset boxplot shows distribution of scores for PC1. Key: f, female; m, male.  
  Part of: Wayland M (2013) Morphological variation in Echinorhynchus truttae Schrank, 1788 and the E. bothniensis Zdzitowiecki & Valtonen, 1987 species complex from freshwater fishes of northern Europe. Biodiversity Data Journal 1: e975.