acetabularia mediterranea - the mediterranean sea algae

acetabularia acetabulum aegean alga algae algal aquatic biology botany brava calyculus canary cap catalonia cell circle close closeup coast color colored coral costa creus diving earth environment europe flora grass greece habitat image ionic island isolated macro malta marine mediterranean mermaid natural nature ocean pattern photography picture plant polyphysaceae reef saltwater science scientific scuba sea spain species stem subtropical tropical umbrella under undersea underwater unicellular vegetation vibrant viewpoint water white wineglass with zoology