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Mermaid's Wineglass

Acetabularia sp.


This is shockingly a single-celled organism but a very large one (about 2 cm diameter). See this spotting to see the stalks and to get general size perspective:


Sandy beach among some seaweed and other organic debris that washed ashore

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triggsturner 6 years ago

Fascinating! Thanks for sharing this Machi.

Hema  Shah
Hema Shah 7 years ago

Thanks for the general size perspective.The fact that anything 2 cm in size can be single celled is a mind blowing fact

Machi 7 years ago

Wow Awesome! Thanks for letting me know Daniele. I almost didn't post this one because I didn't get other photos showing different views like I normally do. I'm glad this organism can get a little attention :)

Wow,so cool,congrats again Machi :-)

DanielePralong 7 years ago

This has turned out to be an incredibly popular SOTD Machi: over 1k like on Facebook, and it has been shared by Eol :-)

Machi 7 years ago

Wow thank you all for the nice comments! I'm happy that this amazing organism can get some recognition!

Hema  Shah
Hema Shah 7 years ago

congrats Machi!

armadeus.4 7 years ago

Congratulations Machi!!!

Christine Y.
Christine Y. 7 years ago

Wow, that's amazing. Great spotting!

Beautiful find Machi,congrats on the SOTD and thanks for sharing

DanielePralong 7 years ago

Congratulations Machi, this amazing single-cell organism is our Spotting of the Day!

"Single-cell organism! This Mermaid's Wineglass (Acetabularia sp.) is our Spotting of the Day. Acetabularia is a genus of green algae, made of a single cell so large that it can be handheld and easily manipulated. Acetabularia has a a special place in biology, as the model organism that was used to demonstrate that the nucleus of eukaryotic cells contains the genetic information that directs cellular development. Acetabularia is found in subtropical waters.
Read more about Acetabularia here:".



SarahWhitt 7 years ago


Machi 7 years ago

Thank you for the nomination!

AshleyT 7 years ago

Your spotting has been nominated for the Spotting of the Week. The winner will be chosen by the Project Noah Rangers based on a combination of factors including: uniqueness of the shot, status of the organism (for example, rare or endangered), quality of the information provided in the habitat and description sections. There is a subjective element, of course; the spotting with the highest number of Ranger votes is chosen. Congratulations on being nominated!

Mark Ridgway
Mark Ridgway 7 years ago


Spotted by

Spring Hill, Florida, USA

Spotted on Jan 25, 2017
Submitted on Apr 18, 2017

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