Can GloFish and betta fish live together?

In this post, we will answer the question “Can Glofish and Betta fish live together?”. We will also discuss some of the betta fish and Glofish specificities and information.

Can Glofish and betta fish live together?

A Betta fish may be kept with certain GloFish species, but only in certain GloFish tanks, according to the manufacturer’s instructions. When putting a Betta in a GloFish tank, however, you must exercise caution because even the most tranquil GloFish may be fin nippers. 

The presence of brightly coloured fish can be particularly agitating to male Betta fish, whilst female Betta fish are more inclined to accept the company of Glofish. 

What Exactly Is a Glofish? 

A GloFish is a genetically modified fish that shines when it is exposed to light. Their glow is caused by the presence of a fluorescent protein gene, which can be a range of hues. Only the look of their skin is affected by the gene; the gene has no negative impact on the functioning of their other physiological systems. 

The initial studies on creating fluorescent fish were carried out with the ultimate purpose of detecting toxins or contaminants in bodies of water. The concept was to create a fish that would light up when it came into contact with a polluted canal. However, as pets, permanently illuminating fish became increasingly popular, resulting in the growth of the Glofish industry. 

Glofish are raised in captivity since their fluorescence in the wild can cause them to be devoured very rapidly. 

Depending on the species of fish, they may be able to display a variety of fluorescent hues or may be restricted to a single shade. 

Some Glofish colours include: 

– Electric Green 

– Cosmic Blue 

– Electric Purple 

– Galactic Purple 

– Moonrise Pink

– Starfire Red 

– Sunburst Orange 

What Kind of Fish Can Be a Glofish and How Do They Get There? 

Any fish that has been genetically modified has the potential to develop into a Glofish. All they require is a fluorescent gene to complete their mission. The following is a list of fish that are commonly referred to as Glofish: Zebrafish, Tiger Barbs, Long Fin Barbs, Tetras, Danios, Shark Fish, and Betta Fish. Danios and Tetras are two species of GloFish that would be comfortable with a Betta Fish when kept in the same tank as each other. As we’ll cover in further detail below, it may be feasible to keep a Betta Fish with a GloFish Shark if certain conditions are met. 

When using a GloFish Danio tank, is it feasible to keep a Betta fish in the tank?

A Betta and a GloFish Danio are both placid communal fish that get along well with one another. Their speedy swimming ability allows them to quickly outmaneuver a Betta, and they have earned the reputation of being fin-nippers in the aquarium. 

It is recommended that you build a school of five or more GloFish Danios so that they can concentrate their energies on establishing their social system. Because the Danios will be too preoccupied chasing and biting at each other, any problems that may emerge with the Betta will be minimized as a result. 

A tank with a minimum size of 10 gallons should be used for GloFish Danios, and they will reach a maximum adult length of 2 to 2.5 inches if kept properly cared for. When kept in captivity, they can survive for up to 2-3 years, and they like somewhat cooler water that stays between 65 and 78 degrees Fahrenheit, with a pH ranging from 6.5 to 7.2. 

What are the chances of successfully keeping a Betta fish in a GloFish Tetra tank? 

GloFish Tetras and Bettas are compatible with one another and may be kept in the same aquarium. It is quite unlikely that they will harass or nip at a Betta since they are generally calm fish and because they are not particularly fast swimmers. 

Due to the fact that they are schooling fish, they should be kept in groups of at least five fish to prevent the tank from being overcrowded. The fact that they seldom display symptoms of aggression and that they like to keep to themselves makes them one of the most suitable fish for a community tank environment. If you have a male Betta, it’s probable that long-fin GloFish Tetras will not make for a nice tank construction, since the Betta may interpret the GloFish Tetras as potential male competitors. When housed in a 15-gallon tank, GloFish Tetras are most likely to thrive; however, a 20-gallon tank is preferable. 

GloFish Tetras can grow to be 2.5 to 3 inches in length and can survive for 3-5 years in captivity. They are one of the most popular aquarium fish. GloFish Tetras have water requirements that are similar to those of a Betta fish, in that they prefer warm water that stays between 70 and 85 degrees Fahrenheit and has a pH between 6.0 and 7.5. 

What are the chances of successfully keeping a Betta fish in a Glofish Tiger Barb tank?

GloFish Tiger Barbs are the only species of GloFish that should not be housed in the same tank as a Betta because of their aggressive nature. In addition to being a highly territorial fish, Tiger Barbs are also known to be hostile toward other fish, and they have even been known to harass members of their species without mercy. 

GloFish Tiger Barbs would attack a slow-moving Betta fish swiftly and readily, and if they were effective, they would do substantial damage to the Betta’s long flowing fins if they were successful. The stress caused by the many attacks on a Betta fish would lead the fish to get ill and die if they survived, even if they were able to hold their own against a Tiger barb.

Putting a Betta in a GloFish Shark Tank is a valid question 

GloFish Sharks and Betta Fish can coexist in the same tank as long as they each have their territorial boundaries established. Betta fish are surface-dwelling fish that prefer to stay on the surface of the water, which makes it easy to distinguish between the two species. GloFish Sharks, on the other hand, are bottom-dwelling fish who prefer to isolate themselves on the bottom of a fish tank. 

It should be possible to keep a Betta Fish and a GloFish Shark together in the same tank as long as you have a large enough tank to accommodate them both. Even when there are minor disagreements, GloFish Sharks very seldom bite other fish, and in most circumstances, they will just chase the fish away from their zone, rather than attack them. 

To keep a GloFish Shark and a Betta together, you will need a tank that is at least 29 gallons in size, but a larger 55 gallons would be even better.GloFish Sharks may grow to be 6-inches long when fully mature, and they have a lifespan in captivity of between 5 and 6 years after that. GloFish Sharks must also be kept in water with a pH between 6.8 and 7.5 and at a temperature between 72 and 80 degrees Fahrenheit to thrive. 

GloFish Betta

A GloFish Betta Sorority may be a preferable option to keeping a Betta with another GloFish species if you have a small aquarium. Because female Betta fish are not hostile toward members of their species, an all-female Betta Sorority will get along just fine with each other. 

A new GloFish variety has emerged on the market, and it is quickly gaining popularity as one of the most popular GloFish kinds available today. 

Additionally, because they have the same maintenance requirements as regular Betta fish, the GloFish Betta Fish is an excellent choice for novices. They can even be housed in a bowl or a small 5-gallon betta tank if the space is limited.


In this post, we answered the question “Can Glofish and Betta fish live together?”. We also discussed some of the betta fish and Glofish specificities and information.

If you have any questions or concerns, please let us know in the comments section below!

Frequently Asked Questions (FAQs): Can Glofish and betta fish live together?

What kind of fish should I pair with my GloFish? 

In a community tank, you may keep them with other peaceful fish of similar size who are similarly active and quiet. Various Tetras, Rasboras, Danios, Zebra danios, tiny Barbs, and other GloFish are all good alternatives for aquariums.

Can GloFish and goldfish live together?

In terms of feeding patterns and plant types, goldfish and Glofish appear to be a good fit. However, Glofish is a tropical fish, and goldfish is a freshwater fish, thus they are not compatible. Because they require different climates, these two species of fish will survive in separate environments.

In a 10-gallon tank, how many GloFish can I keep? 

As adults, GloFish Tetras will stay tiny throughout their lives due to the fact that they can only grow to a maximum circumference of 2.5 inches when fully matured. Consequently, keeping up to 5 GloFish Tetras in a 10-gallon tank will not be a problem. GloFish Tetras are extremely easy to keep because they get along with a wide variety of other non-aggressive fish.

What is the maximum number of Glofish that can be kept in a 5-gallon tank?

Theoretically, you could keep up to two Glofish in a 5-gallon tank, but doing so is not suggested. These are schooling fish, which means that in order to live, they prefer to aggregate in groups of at least 6 – 10 other fish. For this reason, if you want to keep 6 Glofish in a school so that they feel at home, the minimum tank size should be at least 20 gallons minimum and preferably more.


Glofish And Betta.

Can You Put A Betta Fish In A Glofish Tank?

Can You Put A Betta Fish In A Glofish Tank?

Davies, G. (2014). Searching for GloFish®: aesthetics, ethics, and encounters with the neon baroque. Environment and Planning A, 46(11), 2604-2621.