acetabularia sp. also known as mermaid`s wineglass due to its . a beautiful marine species of green algae blooming underwater

acetabularia acetabulum algae also beautiful biology blooming botany caliculus calyculus cap cell celled chlorophyll closeup coast coral diving due earth environment geometry grass green habitat isolated its known macro marine mediterranea mediterranean mermaid mermaids name natural ocean organism pattern photosynthesis plant polyphysaceae reef science scientific scuba sea shape single snorkeling species taxonomy tropical umbrella underwater unicellular vegetation wineglass