X ray Tetra Care, Size, Life Span, Tank Mates, Breeding…Complete Guide 2021


X ray tetra fish -

The X-ray tetra (Pristella maxillaris) is one of the most attractive freshwaters, This fish is known as the x-ray tetra.

Because of its distinct translucent body, which makes the fish more attractive, X ray tetra was first described by Ulare in the year 1894,

These tetras are most popular among fish-keeping lovers not because they are beautiful and attractive but also because these stunning fish will be easy to care for you, Even if you are a complete beginner.

Also, read about galaxy rasbora fish


These tetras are very beautiful fish that can enhance the beauty of your aquarium. These fish have attractive bodies with silver and gold colors.

They look very attractive with these beautiful bright colors. With the silvery-yellowish color that looks really amazing and looks like X-ray that’s why people call them X-ray tetra.

If you turn on your light you will see these tetras with a golden color with re-tipped tail and with strikingly striped dorsal fins or anal fins. Tank Size for X ray Tetra If we talk about the tank size of these beautiful X ray tetra,

A 15-20 gallons tank is needed to keep them in a group of at least 5-6 fish. These tetras will make an amazing combination with the similar nature of fish.

X-ray tetra Lifespan

X ray tetra has a very short lifetime. Their normal lifespan ranges from 3 to 5 years.

To maintain the normal lifetime of the X ray tetra in the Aquarium, we must keep trying.

If possible, they should be kept with good accommodation, a good diet, and the right water conditions.

By taking good care, their lifespan can be maintained longer.

X ray tetra size

The X-ray tetra is a small size fish. Those whose size is around 2 inches (5 cm).

Typical behaviour

X-ray tetra is a community fish. Being community fish, their behavior depends on the nature of the fish present in the tank. By the way, X ray tetra is a peaceful fish.

Which is tolerant of all fish. This tetra is a good choice for beginners. If you keep them with fish of the same size, you can expect them to perform well.

But keep in mind that the fish should be peaceful. If you keep them with big fish or with aggressive fish. So it will feel lonely, and be afraid.

If you expect good behavior from the X-ray tetra, keep them with calm and semi-aggressive fish.By doing this, this fish will live in peace. and will also perform well.

Tank set up the most important thing for any fish is habitat. Therefore we need a tank set up to provide a good habitat for the fish.

So that the fish can be given a good habitat. It would be fine to use a tank of 15 to 20 gallons for the setup of the tank.

Which will have enough space for the fish to swim, and they will feel more open. Start the tank setup from the bottom of the tank.

Lay a dark-colored substrate in the bottom of the tank. For this, sand and clay can be used. After this, set the aquatic plants and floating plants as dense flora in the tank.

Water has an important role in the health of fish. So keep in mind that the presence of the water being set is pure.

Which suits the environment of the fish. While setting up the tank, be particularly aware that there is still enough space for the fish to swim.

So that he can live comfortably in the tank.

Tank size

X-ray tetra is a collective fish. Who likes to be in groups with other fish. Which should be kept in a group of 6 or more than 6 fish.

A tank of at least 15 gallons is required to take care of the X-ray tetra. In which they can be nurtured easily.

By having a large tank, the fish will be able to swim in more space and feel more open with more activity.

If you want to put them in a group of more than 10 fish, you can use a tank of 20 or more than 20 gallons for this.

Tank Decoration

Decoration of the tank is needed to make the tank more attractive. Due to the good environment, the fish will be more active and will feel better.

Use a dim light to decorate the tank. Also use dried leaves, driftwood and twisted roots in the tank. Apart from this, you can also use small rocks in the tank.

Finally use a filter to maintain light flow in the tank. In this way, you can decorate your tank.

Water parameter

The presence of water is most important for fish habitat. Because water is the primary part of their life. X-ray tetras are freshwater fish.

This fish mostly suffers from freshwater diseases, so it becomes important to take care of their water. For this,

water parameters need to be maintained water temperature – 74 to 84 degrees Fahrenheit

pH value – 6.0 to 8.0

Water hardness – 2 to 20 dgh


Just as humans or other organisms need food to survive and stay healthy. Similarly, fish need good food to be healthy and live energetically

X-ray tetras are omnivores. In the forests, these tetras eat small insects, mosquito larvae, and algae-like substances.

But in the aquarium, you can provide them good, live and dry food. Which is beneficial for their health.

X-ray tetra can be given live foods and dry foods. Foods that can give Daphnia, blood worms, Brian Shrimp, flake food, vegetable food.

It will accept many types of food. But keep in mind that the size of the food being served is small, which expires in 2 or 3 minutes.

If you provide them with more food than is required, the water in the tank will deteriorate. Which will also affect the health of the fish.

Health and disease

By the way, the X ray tetra is a hardy fish. Which have the ability to fight diseases. But many times, fish become ill due to poor water conditions in the tank.

Apart from this, whatever external item you put in your tank can also increase the risk of bacteria in the tank.

Therefore, make sure that everything in the tank is clean and hygienic so that the fish can be protected from getting sick.

As we know that X-ray tetra is a freshwater fish. Like other freshwater fish, it is suffering from diseases caused by freshwater.

Freshwater diseases include itch disease (ichthyobodo infection), bacterial infection, a parasitic infection.

Apart from this, it is also suffering from diseases of the skin pores. It is necessary to take care of the tank set up to protect the fish from diseases,

in which it is necessary to maintain the condition of water in particular. Constantly changing 20 to 25 percent of the water every week, and checking the water periodically.

So that we can fight the diseases caused by water. Apart from this, fish can be defended with the help of the right medicine.


The X-ray tetra prefers to be in a group with many other fish, who are advised to keep in groups of 6 or more fish.

For this, it becomes necessary to select the right tank mates, who can live comfortably with the X-ray tetra. X-ray tetra is a peaceful fish.

Who likes to live with fish of her own size. You can keep them with some fish like:-

  • Guppies,
  • Mollies,
  • Platies,
  • Halfbeaks,
  • Hatchet fish,
  • pencil fish,
  • dwarf cichlids,
  • Apistogramma,
  • Corydoras,
  • Loricariids.


The breeding process can be made easier with the help of a tank setup. This requires the preparation of a breeding tank of a good cover.

Build a separate tank for the breeding process, using a tank of 5 to 10 gallons. Including some females with males (can be kept in a group of 6 for best results).

Prepare a dark-colored substrate at the bottom of the tank. With which some aquatic plants were placed in the tank.

For this, you can use java mass, dry leaves, and podho. The most important is the water condition.

For breeding, water temperature should be 78 to 85 ° F, water pH value of 5.5 to 6.5, and water hardness between 2 and 5 dgh.

Finally, install the tank with dim light.

breeding process

X ray tetra fish is easy to breed but requires a separate tank.

Add some females with males in the set tank. you can provide them high-quality live foods while this process.

They will start spawning when the time comes. The females release eggs when the time comes Those who are fertilized by males.

Fry comes out of the eggs after the next 24 to 30 hours. One who can swim freely. They need to be fed after swimming.

In food, you should provide them with ingredients like Baby Bryan Shrimp and Infusoria. After a few weeks, you can include both live and dry foods in the diet of your fish.

The fry becomes 1/4 inch in the next two months.

X ray tetra price

The price of different fish may vary by location. But remember, if you order them from the online store,

then they can cost you around 3 to 5 dollars. But it is a schooling fish, which needs to be kept in a group of at least 6 fish.

A group of 6 fish would require approximately $ 20 to buy.

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