Scientific Reports 7: Article number: 43647; published online 13 March 2017; updated on 24 April 2017

This Article contains an error in the legend of Figure 2 where the symbols corresponding to calculations using the spring model are incorrectly given as solid shapes. The Figure and accompanying Figure legend appear below.

Figure 2
figure 1

Average maximum shear force of adhesion for whole animals on cellulose acetate () and PDMS () substrates of varying composite moduli. Composite moduli are calculated from the spring model ( , ) or from durometer measurements (, ), and are tabulated in Table 1. Values are means ± standard error, n = 7.