Fig. 1From: Shell resource partitioning as a mechanism of coexistence in two co-occurring terrestrial hermit crab speciesThe shell morphology of the four most utilized gastropod shell types. The principal component analysis is based on the five log-transformed morphometric parameters (AL aperture length, AW aperture width, L length, W width, WT weight). Each data point represents a single shell, colours resemble the different shell typesBack to article page