Protoperidinium pyriforme is a species of dinoflagellates in the family Protoperidiniaceae. They are native to Bahia, Espirito Santo, and Rio De Janeiro.
Definition: Living in the fluid medium (water or air) but unable to maintain their position or distribution independently of the movement of the water/air mass (adapted from Lincoln et al., 1998).
Definition: An interaction relationship involving a predation process, where the subject kills the target in order to eat it or to feed to siblings, offspring or group members
