Acetabularia acetabulum

Acetabularia acetabulum is a species of green alga in the family Polyphysaceae. Mediterranean at the depth one to two meters. This alga is unicellular. The main storage polysaccharide of Acetabularia acetabulum is starch as granules within the chloroplast’s stroma. Predators of Acetabularia acetabulum include sea slug Elysia timida.