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Large Marimo Moss Ball 1 pc 4-5cm LIVE Marimo Moss Ball Pet - Japanese Algae Ball

Large Marimo Moss Ball 1 pc 4-5cm LIVE Marimo Moss Ball Pet - Japanese Algae Ball

Regular price $15.99 USD
Regular price Sale price $15.99 USD
Sale Sold out

Live not Plastic

4-5 yrs 4-5cm LIVE Marimo Moss Ball Pet

~ 5cm

100% Real and Live Guaranteed - Moss Artistry

Moss Ball can survive in shadows, however, some sunshine is good for moss balls as well. See our real picture (using iPhone): when it generates air bubbles under the sun.

Live Moss Ball Breath Air Bubbles

We believe that a real live moss ball is the first thing for the buyer to get a moss ball pet, not something plastic - considering it only grows 0.3-0.5 mm/year and lives 100 years more. In any way, we guarantee it is a live moss ball.


Discover the enchanting world of Marimo Moss Balls (Japanese Algae Ball), unique aquatic wonders that add natural beauty to your home aquarium. These adorable algae, native to Japan, are cherished for their captivating appearance and ease of care.


  • 3 months: 0.8cm 
  • 6 months: 1-2cm
  • 12 months: 2-3cm
  • 2-3 years: 3-4 cm
  • 4-5 years: 4-5cm

Marimo Moss Ball Size

Age: Prices vary significantly based on the size of the algae. We utilize a personification method to distinguish between sizes, but note that they do not reflect the actual age of the Marimo. 


We put the same size in the same aquarium, but it can be slightly different sizes to be exact.

Let it absorb water and sunbath for a few days and stretch first. 

Afterward, please feel free to contact us if you have questions about size. 

Marimo's homeland is Lake Akan in Japan

Lake Akan, located in Akan-cho, Kushiro City, Hokkaido, is part of the Akan National Park. It is a caldera lake formed by the eruption of Mount Oakan. The lake has a rhomboidal shape and is surrounded by the peaks of Mount Oakan and Mount Meakan. Known for its clear waters and picturesque scenery, Lake Akan is famous for its hot springs and abundant growth of marimo algae. The lake freezes over completely for four months of the year, from December to April, and visitors can take boat tours to the marimo exhibition and observation center once the ice starts to break in mid-April.

Marimo's homeland is Lake Akan in Japan


Marimo cultivation is simple and straightforward. Refer to the accompanying card comes with the product for basic care instructions.

For detailed guidance, please consult the following articles:

  1. "Marimo Moss Balls: A Beginner's Guide to Cultivating and Caring for These Charming Algae"
  2. "Marimo Moss Ball: The Origin and Cultural Significance"
  3. Ways to Kill Marimo Moss Ball - Then Tips for Properly Caring for Marimo Moss Balls

Special Note

Marimo are cultivated in specialized farms rather than harvested from natural habitats. Cultivated Marimo is authentic and easier to care for compared to natural Marimo. Natural Marimo is protected by the Japanese government and cannot be harvested or sold.


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