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How Long Can a Betta Fish Live In a Fishbowl Without A Filter ? Know All

At present, it is a fashion to keep a fish in a bowl rather than in a big tank. If you are planning to buy a betta and put it into a bowl, you better prepare yourself for the activities you must go through, to keep your fish alive in a fishbowl.

Before going on to the question “how long do betta fish live in a fishbowl?” it is important to find out, “How Long Can a Betta Fish Live In a Fishbowl ?” Without A Filter

Can betta fish live in a fish bowl?

Yes indeed, betta fish are hardy, and they can live and grow up in a fishbowl. But it is not comfortable for them to live in a confined space. Take you as an example, if given food and other essential requirements, it is possible for you to live in a small room. But it is not enjoyable for you. The same situation applied to this attractive fish.

Do betta fish die easily in fish bawl

In normal conditions, betta fish do not die easily. They are considered one of the hardy species in the aquarium world. But, on the other hand, betta fish that live in a fishbowl and have a considerably short life span than betta live in a 2.5-gallon tank.  Tank-living betta fish can live up to 5 years while bowl-living fish hardly live above 1 year. So, the answer would be yes.

What should you put in the fishbowl along with betta?

You should put a heater into a fishbowl with betta fish. As you may know, a betta is tropical fish and prefer the 72° F to 77° F temperature range. so if the water is not above range you should use a heater in the fishbowl. Due to limited space, many think the fishbowl needs a filter system. But this is not true. Strong waves generated by a filter are not suitable for small bawl and make the fish more stressed. So, the filter is not an important gadget for the betta bowl.

Other than that, you can put some floating plants in the betta bawl, but keep in mind not to put too much. These live plants act as a natural filter for your small aquarium.

Caring tips for betta fish bawl

Since the small bawl does not use a filter, weekly water exchange is a must. Otherwise, chemicals such as ammonia concentration become higher and cause lethal effects to the fish. Other than that, keep in mind to feed your fish a small amount of food. The collection of uneaten food in the bottom of the tank will affect negatively your fish’s health.

Apart from water changes, try to clean your fish bowl weekly. Carefully cleans the inner surface of the bawl to prevent unwanted algal growth.


It may sound easy to maintain a fish bawl rather than an aquarium. Now you know it is not. If you want to keep betta fish in a fish bowl you have to do a lot of work. You need to clean water weekly or twice a week to avoid a negative impact on fish health. Also, you should be careful when feeding your betta fish. Most importantly you must keep a close watch on your betta fish’s behavior.

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About Dr.Chamika

Hello, I'm Dr. Chamika. I am a Researcher in Water quality, Aquatic organisms, and Environmental chemistry. I am a passionate fish keeper, with10 years of experience. My mission is to help other aquarists experience the joy of fish keeping.