Are moss balls alive?

Asked By: Xiufen Lodkin | Last Updated: 5th June, 2020
Category: pets fish and aquariums
4.3/5 (781 Views . 26 Votes)
Will live and grow best in cool water below 77°F (25°C). If the temperature is too hot, they can be placed in the refrigerator for up to 48 hours but will not survive in the freezer. Change the water and clean marimo moss balls every one to two weeks—more often in summer and less often in winter.

Click to see full answer


Subsequently, one may also ask, is a Marimo moss ball alive?

Marimo are equal parts bizarre and beautiful, and Marimo moss ball care is very easy. Marimo, a Japanese word which literally translates to “seaweed ball” are not moss at all - they're actually a rare form of spherical algae. And of course, we love Marimo because they live forever.

Also, how long does a moss ball live? Marimo balls are regarded as good luck charms in Japan, and since they have been known to live to 200 years or longer, they are often kept as family heirlooms.

Similarly, you may ask, how do you keep moss balls alive?

Care Instructions for Marimo Moss Balls They appreciate low to medium light, so keep them out of direct sunlight. Most articles recommend growing moss balls in cooler temperatures because of their native habitats, but many hobbyists have seen success keeping them in betta tanks with temperatures as high as 80°F.

What are moss balls good for?

Marimo moss balls absorb pollutants such as phosphates, nitrates, ammonia, and other waste solid debris in the surrounding water. Although they cannot completely replace a water change and filtration system, a large ball can help significantly in smaller aquariums.

38 Related Question Answers Found

Why are my moss balls floating?

During the day, bubbles form within the spherical balls of Aegagropila linnaei algae, making them float to the surface of the water. Since there's less light at lower depths (like at the bottom of a lake), marimo float to the top of the water to maximize their potential for photosynthesis each day.

Why does my moss ball smell?

A: As long as the marimo balls are all green and healthy looking. The smell is a result of being in the same water for too long in warmer temperatures. Once they are cleaned and placed in fresh water, the smell should reside.

Do fish eat moss balls?

Marimo moss ball is perfect for small fish and shrimps
If you keep this lovely plant with fish, make sure they don't enjoy it too much; freshwater fish love plants and if they eat from it too much, they will destroy the shape of the plant and eventually it will die.

How long do moss balls last in a fish tank?


How long can my Moss Ball Pet™ last without water? In ideal conditions, Moss Ball Pets™ can live for one month without water. It is not recommended to keep your Moss Ball Pets™ out of water for any extended period of time.

Can you cut a moss ball in half?

Cut each half of the moss ball in half. If the resulting pieces are larger than 2 to 3 inches, cut them each in half. Moss balls don't have a kernel or central structure, so it's fine to cut it through the center and in any direction.

Can moss balls kill fish?

It's just a fake ball of moss that actually a hollow structure filled with activated carbon and covered in green fuzzy stuff. So yes it's safe to put either kind in the tank, but make sure you change it out about once a month or the carbon will start redepositing everything bad it absorbs and kill the fish.

How do you clean moss balls?

How to Clean Your Marimo Moss Balls
  1. First, remove them from the water and set them in a bowl.
  2. Wash the bowl, rocks, and any decorative items with gentle dish soap and warm water.
  3. Rinse the Marimos under tepid, running water by gently squeezing out the water and allowing them to fill again.

Do moss balls need food?

Domesticated marimo balls are very easy to maintain and ideal for beginners. They can live with all types of fish, and are perfect for low-stocked and low-tech aquariums. No food or fertilizers are needed since they create their own food through photosynthesis.

Do moss balls have babies?


It Does Not Reproduce
While aquatic plants spawn over time, Moss balls won't reproduce in your tank—they just get bigger. So you won't find little baby moss balls or patches of the algae. It can be years until a baby moss ball grows to golf ball size.

Why is my Marimo moss ball falling apart?

Marimo turning black and/or falling apart Marimo are unfortunately known to start decaying from the inside out sometimes, especially when it has been covered by hostile algae for a while or when it is simply too big for clean water to reach the inside.

Do moss balls cause algae?

Actually Marimo moss balls are not moss at all, they are a type of algae, Cladophora (not sure of spelling) I believe. And yes they are known to spread algae because they are made of algae. The reason some say they can help with algae is they can outcompete other algae for nutrients.

Will Plecos eat Marimo Balls?

But, I can say that my algae eating critters do not eat the moss ball itself. That is true plecos will not eat them. If your worried about your pleco diet, you can add zucchini or cucumber. If you want to feed him algea put some rocks in water on a window sill they will grow algea.

Do moss balls make water cloudy?

The moss balls are most likely not causing the cloudy water. Don't worry about the water, it happens when you get a new tank and should go away within a couple days, and wont harm your fish. Some other aquatic plants may cause cloudy water or algae, but the cloudy water you have now is normal.

Do moss balls have feelings?


Due to their unusual shape and appearance, Marimo moss balls may seem artificial but they are completely natural. Marimo balls are characteristic for their fuzzy texture and velvet feeling to the touch. These beautiful plants are considered good luck charms in Japan.

Can you have too many Marimo moss balls?

Can You Have too Many Marimo Moss Balls? If you put too many moss balls in a tank they can shade each other, which can cause some of the moss balls to die or turn brown in color. You also don't want to add too many moss balls to a tank since there might not be enough nutrients in the water for them to grow properly.

Will goldfish eat Marimo Balls?

Not enough tanks, space, or time
They will eat algae too though. But yes, moss balls are one of the last things most goldfish will touch and are a great addition to a goldfish tank.