Flame Tetra Fish Care, Tank, Size, Lifespan, Breeding, Tankmates, Exclusive Guide 2021

Welcome to the exclusive guide on flame tetra fish


flame tetra fish

The flame tetra (Hyphessobrycon flammeus), also known as the red tetra, Rio tetra, fire tetra, von Rio tetra is one of the most beautiful freshwater fish.
This fish will bring out their original, brighter color with proper care and maintenance.

This flame tetra was firstly described in 1924 by Dr. George S. Myers.

These fire tetras are very easy to care for; even a complete beginner with the basic knowledge can easily keep and care for these fishes.

And the major reason for its popularity is its ability to survive in a wide temperature range and attractive color variant.

In this dedicated article, you will get all information which is needed to set up an aquarium,
So just keep reading this article,


Flame Tetra is one of the most beautiful freshwater fish known for its calm and peaceful nature.

These are beautiful and small in size about 1.5 inches (4cm.) in length.

The body color of flame tetras is silvery, and the front part is light yellow, and the back part is red.

You know that these colors depend on their maintenance and diet quality.
If the flame tetra is in trouble, then it will look a little yellowish.

Fin colors in the flame tetra are transparent.
Their mouth is small while their eyes are big and blue color appears in their eyes.

A reddish anal fin on the male flame tetra’s body can be seen.

Their dorsal fins are short; on the other side, the female flame tetra has a larger belly size body that looks round at the breeding time.


Flame tetra fish tank -

Flame Tetras are peaceful and calm fish and prefer to be kept in a group of 5-6 or more. 

Sometimes a little aggressiveness can be seen in these Tetra fishes

Try to keep your tank’s environment similar to their natural habitat they will definitely perform well.

Flame Tetra size

These beautiful fire tetras are little fishes and reach about 2.5 cm (1inches) in length, and they will enhance your aquarium’s beauty.

Flame Tetra Lifespan

flame Tetra has a lifespan of about 3 to 5 years; if you take care of them properly, they may live more.


These flame tetra price is about $3 per fish; it is better to buy them in a group of at least 5 to 6 or more.

If you buy 6 flame tetra, it will cost you anywhere from 15 to $20; Van Rio flame Tetra prefers to live in a group.


The film tetras are really peaceful in the world they are happiest in a group.

Still, it is also necessary to add them with some friendly tankmates.

Here the list of some best tank mates for the flame tetra fish:- livebearers, danios, Rasboras, other tetra fish.

Some tetra tankmates for flame tetra fish – Neon tetra, Black neon tetra, Cardinal tetra, Glowlight tetras, Diamond tetra, Candy Cane Tetras, Rummy nose tetras, Ember tetra and many more.

Tank set up

The flame tetras are shoaling fish; they love to live in a school of 4-6 or more.

It is a peaceful and slow swimmer fish that prefer to live in dim light with open space. 

What size aquarium do they need? 

Aquarium size mainly depends on the number of flame tetra fish you are planning to keep.

If you’re willing to keep a group of 4-6, then at least a 10 gallons tank is needed. 

How many can be kept per gallon? 

The flame tetra fish requires at least 2 gallon space per fish,

You should allow at least 2 gallons for each; if you keep 4-6 flame tetras, then a 10 gallons tank is enough.

Water parameters

Now, the ideal water conditions for these flame tetras are as follows;

Temperature:- water temperature should be between 73.0 to 82.0° F (22.8 to 27.8°C). 

Water temperature while breeding:- These fish will spawn between 80 to 84° F. 

pH level:- 5.5-7.5 – A pH of 6.5 to 7.0 is preferred.

Hardness Range: 3 – 15 dGH – A hardness of 10° dGH is preferred.

Water Movement: Moderate

Tank decorations

flame tetra fishcarelifespantank mates -

It is best to provide them with a natural habitat; they love the natural atmosphere.

So if you’re going to decorate your aquarium, try to make your tank’s atmosphere the same as in the wild.

These fire tetra fish are peaceful species that like to live in dim light. 

Here you should use less light while decorating the tank, 

And start decorating your aquarium from some sand substrate in the bottom of your aquarium. 

And then, add some dry leaves to small plants and make sure to replace them when they get spoiled.

It will take anywhere from 1 to 2 weeks or more. 

Flame tetra love a dense plants atmosphere so that you can add some plants, gravel, along with some twisting branches and driftwood, roots. 

Now finally, use a filter in your aquarium that will help to maintain the aquarium water.

Breeding process

The flame tetra will be ready for breeding after crossing the age of 6-7 months.

It is a hardy fish and known for easy breedings ; prepare a separate breeding tank for breeding.

These tetras are capable of breeding even without fresh water.

Both tetras, both males and females, should be given live foods before mating.

And then ad some male or female into the breeding tank.

After this, the female lays around 100-300 micro eggs, which the male flame tetra fertilizes.

The male Von Rio tetra has a hook that is used to keep the female fish close.

After all this, makes sure to remove all the adult fish from the breeding tank

As we earlier said, these flame tetras are omnivorous, and they can eat their eggs or fry.

These eggs come out after about 48 hours, and in the next 3 to 4 days, these litter fry will start the swim.

Now you need to more attention to these litter babies’ care, especially when they are tiny.

If you take proper care of them in the next 5-6 months, they mature like other tankmates.

Once they get big as other tetras fish, you can simply introduce them to the community tank

Health and Disease

Flame Tetra can cause many types of disease like other fishes.

Flame tetra fish mainly get infected by diseases like ich disease, bacterial infection, infection of parasites and skin related diseases.

To protect the fish from such diseases, your aquarium water should be clean, and the food you are giving to your fish should be of good quality.

Through this, infection of the parasite can be prevented.
Despite taking precaution, the disease can happen but don’t worry about this.

All diseases which we mentioned can be prevented by taking proper care or using medicines.

Things you keep in mind are making sure to clean 25-30% of your aquarium water weekly.

Flame Tetra Care

Caring for the flame tetra is not a headache; it is very easy to care for.

All you need to do is to maintain water parameters, tank environment, and quality of feeding.

The right food and the right temperature help them bring their original color and allow them always to be healthy and happy.

However, the flame tetra is hardy fish; they don’t need too much attention or care.

Instead of all of this, make sure you will change at least 25 to 30% of your aquarium water for maintaining your water parameters and qualities.

You can do this on a weekly basis and can also use a filter to clean the tank water.

And use a water pH level checker to ensure that your water is going ok or not.

Flame Tetra Feedings

If we talk about Flame Tetra Feedings ,they consumes all types of fish foods; they are omnivores. You can give them any fish food.

To maintain a balanced lifestyle of flame tetra and most common their original colour.

Provide them living and Fresh Food; you can also feed them brine shrimp and bloodworms, feed them 2 to 3 times a day.

If you want to buy food for your fishes, then there are several types of dry foods available from shops you can easily purchase and feed.

But make sure not to feed them too much dry food. It can cause diseases so take care, especially when you feed them.

Fishkeeping difficulties 

Flame Tetra ( Von Rio tetra) is a freshwater fish; if you want to keep them,

The flame tetra will be a good option for you as it is a very peaceful fish that also looks attractive,

It is a hardy fish, but not cleaning the water can cause diseases.

You have to keep in mind to replace your water in periods. 

Apart from this, one more thing you can do is change 20-30% of your water weekly. 

That will help your fish to always remain healthy and safe from any diseases and bacterial infection. 


Hope that this article about the flame tetra fish provides you enough knowledge to set up an aquarium from scratch.

However, these fire tetra fish are very rare and have been labelled as endangered since 2004.

just don’t be worried and setting up your fishbowl; please follow all the steps given above in the article.

And please give your valuable feedback if you like the article. It will motivate us for sharing more knowledge about fishkeeping hobby.


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