Fig. 4From: Feeding habits of the bluemouth, Helicolenus dactylopterus dactylopterus (Delaroche, 1809) (Pisces: Sebastidae) in the Portuguese coastDendrogram resulting from the hierarchical cluster analysis of the mean abundance of each prey group by predator length class of 1 cm using Ward’s method and Manhattan distances. Three major length groups (TLGs) were defined: (1) 5–20 cm, (2) 21–27 cm, and (3) 28–48 cmBack to article page