Fig. 2
Crepipatella dilatata. Brooding and non-brooding females. Radular activity during the tidal cycle in summer (January, extrusions h−1; mean ± SD; n = 10 animals), autumn (May, extrusions h−1; mean ± SD; n = 10 animals) winter (August, extrusions h−1; mean ± SD; n = 10 animals) and spring (November, extrusions h−1; mean ± SD; n = 10 animals). a, d, g, j Removing the mucous ball from the food pouch; b, e, h, k extracting the mucous cord from the neck canal and transferring it to the mouth; c, f, i, l rasping the substrate