Fig. 6. A in Predation of Oysters Using an Autonomic Pharynx in the Oyster Leech sp. (Polycladida: Stylochidae).

Fig. 6. A, Protruding pharynx of Cryptostylochus sp. and the autonomic pharynx shown by arrows. B, Collected autonomic pharynx placed on the surface of a clam shell to easily record and analyze the video results. Using the time-lapse video, we found that some autonomic pharynges slowly crawled around for roughly 10 hours before losing mobility. ap, autonomic pharynx; p, protruding pharynx.