Figure 4: Shell corrosion in C. edule.

(a,b) Control (900 μatm), no shell corrosion visible on the outside of the shell. (c,d) 1,500 μatm, shell corrosion on the outside of the shell. (e,f) 6,600 μatm, shell dissolution on the outside of the shell. (g,h) 24,400 μatm, strong dissolution signs, holes.