FIGURE 6 in Drilling predation traces on recent limpets from northern Patagonia, Argentina

FIGURE 6. Box plot of anterior-posterior length (APL) of drilled (n=36) and undrilled (n=59) Nacella magellanica shells. Undrilled shells are slightly larger although non significantly different from drilled ones (Wilcoxon sum ranks test, p= 0.284; t-test, p= 0.179).