SKU: 78322537585
moss ball bonsai tree aquarium

moss ball bonsai tree aquarium Marimo Moss Ball

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Description

moss ball bonsai tree aquarium Marimo Moss BallMarimo Moss Balls (Aegagropila linnaei Cladophora aegagropila) arent actually moss! Theyre a rare, slow growing algae that naturally forms into soft, velvety green spheres. In the wild, Marimo grows at the bottom of lakes in Japan, where water currents tumble the algae into its signature moss ball shape. The name Marimo directly translates to seaweed ball in Japanese, and its arguably the only algae species welcomed openly in freshwater aquariums.

Marimo Moss Balls (Aegagropila linnaei / Cladophora aegagropila) aren’t actually moss! They’re a rare, slow-growing algae that naturally forms into soft, velvety green spheres. In the wild, Marimo grows at the bottom of lakes in Japan, where water currents tumble the algae into its signature moss ball shape. The name Marimo directly translates to “seaweed ball” in Japanese, and it’s arguably the only algae species welcomed openly in freshwater aquariums.

Marimo Balls are very much alive and make a unique, moss-like addition to any freshwater aquarium or planted tank. They’re often used in low light tanks for greening, an aquascaping technique where moss is attached to driftwood and rocks to create an aged, natural look. Simply pull the ball apart and gently wedge into cracks or attach with a very small amount of adhesive. Marimo Balls are also decorative on their own and are often kept in glass jars or similar containers. They’re great for betta fish tanks, shrimp setups, and more. If your Marimo floats, it likely has air trapped inside. Squeeze it gently to release and drop it back in!

Quick and easy examples of the greening method and how to unball a Marimo Moss Ball:

How to care for a Marimo Ball

Marimo Balls require very little maintenance. They prefer cooler water temperatures below 76°F. In still water or under stronger lighting, you may need to manually rotate them occasionally to ensure all sides receive light. Otherwise, they’re fine in low light, tolerate a wide range of water parameters, and can even survive in slightly brackish water. Their hardy nature and minimal care makes them a top beginner “aquarium plant”!

Common Name Marimo Ball
Care Easy
Lighting Low to Medium
CO2 Optional
Suggested Placement Loose / Attached to hardscape
Propagation Gently separate
Growth Rate Varies
Height Varies
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SKU: 78322537585

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Verified Purchase
Janice A
Battle Creek, US
★★★★★ 5
My puppy’s favorite
Color: Orange
Great quality and built to last. My dog really enjoys playing with it and stays entertained for quite a while. The material is strong yet safe, and the included drawstring bag is a convenient extra for easy storage. Is colorful and my become my puppy’s favorite.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
A
Verified Purchase
Amazon Customer
Lowell, US
★★★★★ 1
If you love your dog…don’t buy this.
Color: Orange
We have a nonaggressive English cocker. She opened the ball every time she played with it. And yes, we are closing it as hard as we can. I do not recommend this toy for any dog! This is a dangerous toy for a dog that is not supervised.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
J
Verified Purchase
jeff c
Lexington, US
★★★★★ 4
Keeps your dog busy
Color: Blue
Good toy to keep your dog busy. Make sure you check it periodically to ensure it stays together.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
O
Verified Purchase
OLINDA QUEZADA 🌸
Houston, US
★★★★★ 5
dog ball
Color: Blue
This ball is perfect for keeping my dog ​​active and entertained. It's made of strong, durable material, ideal for games of fetch. It doesn't break easily and is light enough for him to carry in his mouth without any problem.
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Reviewed in the United States on February 23, 2026
J
Verified Purchase
john wenner
Whiting, US
★★★★★ 2
Fun but not for rough play.
Color: Orange
The ball contented our “golden” Jaxson for about 15 minutes. He then thought it was a regular ball and it’s just a little delicate for a big dog. I just wrote it off as a loss. Great idea but should be more durable.
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Reviewed in the United States on April 7, 2026

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