Fig. 9From: Nematocyst sequestration within the family Fionidae (Gastropoda: Nudibranchia) considering ecological properties and evolutionFeeding processes of several different Fionidae species. A Cuthona nana, discovering prey. B Cuthona nana, consuming prey. C, D Hydractinia echinata colony after C. nana feeding. Circles indicate stalks remaining after polyps consumed. E Cuthonella concinna, discovering prey. F Cuthonella concinna, end of feeding process, the hydrotheca of prey polyp is empty. G Cuthonella hiemalis, discovering prey. H Cuthonella hiemalis, consuming prey polyp. White arrowheads indicate prey polypBack to article page