How Long Do Neon Tetras Live?

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The neon tetra is a peaceful fish that can be easily kept in an aquarium with other animals. The vibrant colors of these creatures make them stand out from the rest and they rarely display any signs of aggression towards others, making it easier than ever before for you to keep several types without worrying about compatibility issues.

how long do neon tetras live

How Long Do Neon Tetras Live?

Neon tetras are one of the most popular and easiest fish to add to your aquarium. They bring added color, as well as peaceful energy that can help you relax in your home. These fish live for about 3 years on average, though some may survive for up to five years with proper care.

Neon tetras are small tropical fish that generally grows to an average of two inches long. They can be found in slow-moving waters like tributaries and streams, and are often found growing naturally alongside the leaves of plants on the bottom of the water. While they prefer slower moving water, they can also be kept in aquariums with a filter.

Neon tetras are known for their beautiful colors, which range from deep blue to bright red. They get their name from the neon-like stripes that run down their bodies. These fish are very peaceful and make great additions to any community aquarium.

Ways To Care For Neon Tetras

When it comes to caring, neon tetras are relatively easy to keep, following some easy tips you can prolong how long do neon tetras live.

  • They require a tank of at least 10 gallons and should be kept in groups of six or more, as they are very social fish. Always with clean and well-filtered water.
  • It is also important to provide them with plenty of hiding places and shelter from potential predators.
  • You should feed your neon tetras a diet that is high in protein and low in carbohydrates. This can include live or frozen foods like blood worms, brine shrimp, daphnia, tubifex worms, and glass worms. You can also give them flake food or pellets that are designed for small tropical fish.
  • To keep them healthy and happy, the temperature of their environment should be no lower than 70 degrees Fahrenheit, and should ideally stay between 74 and 79 degrees. 
  • You will also need to take care to keep the water well-oxygenated, which can be done with regular water changes and the use of an air pump.

If you’re interested in raising neon tetras, it’s best to do a little research before getting started. There are many helpful resources available online that can provide you with more information about these hardy fish. With proper care, you can enjoy these little wonders in your aquarium for years to come!

What Can Cut A Neon Tetra’s Lifespan?

Given that keeping a neon tetra in an aquarium is likely to limit its lifespan, you may be wondering what you should avoid doing to ensure that the lifespan is extended. You should avoid doing the following things because they may limit how long do neon tetras live:


In a school of fish, neon tetras flourish, and they get along with a wide variety of fish. It’s crucial not to overcrowd them due to their welcoming attitude. The neon tetra is more likely to become sick and die if there are too many fish in one aquarium, reducing considerably how long neon tetras live.

Learning how to detect a sick neon tetra and removing it from the tank is also a good idea. While there is no cure, the sickness has the potential to spread to other fish. This is why it is advisable to remove the ill fish so that the safety of the others is not jeopardized.

Changing Water

Neons are one of the most popular fish around because they can live in nearly any water condition and adjust quickly. However, it’s important not to make sudden changes once neon tetra has adapted their habitat; these drastic shifts could be dangerous for both your pets’ health as well as behavioral stability if introduced at an unestablishing age or with other factors present that may compromise its safety (like crowding). So, avoid doing these sudden changes to do your best on the path to extend how long neon tetras live.


Neon tetras are placid and friendly fish that thrive best in a community aquarium with other small, non-aggressive fish. They shouldn’t be kept with larger fish, predators, or aggressive fish. Below are some examples of species which neon tetra should never be kept with:

  1. Bettas
  2. Cichlids
  3. Angelfish


While there are a variety of variables that will impact how long your neon tetra fish live, such as diet and water quality, exposure to sunlight is certainly one factor that can shorten their lifespan. So if you want to keep your neon tetra fish healthy, it’s important that they’re not exposed to too much sunlight.

Algae will grow if the sun shines on them for an extended period of time and could make these beautiful little creatures sick or even kill them. So if you want your neon tetras to stick around for a while, make sure they’re not getting too much sun! This can have a massive impact on how long neon tetras live in your aquarium.

How Can You Extend The Life Of Your Neon Tetras?

If you want your neon tetras to live longer, you should begin as soon as you get them home. The best approach to avoid infections and other hazards that could shorten how long neon tetras live is to take care of their aquarium. You can help your neon tetras live longer by doing the following:

Begin By Cleaning The Tank

Neon tetras are not fish that should be bought out of the blue. It’s important to prepare your tank for these creatures and help them move in before adding any new tenants by cycling it with clean water several weeks prior so no harmful bacteria or impurities remain within!

Choose The Correct Water Temperature

While these fish are adaptable to a variety of water conditions, they will always live the longest in water that is as close to their original environment as possible. Make sure their aquarium is at the proper temperature.

Filtration System Installation

To keep your fish healthy, it’s important to have clean water. A good-quality filtration system will remove harmful bacteria and impurities from the aquarium so that all of its inhabitants can remain happy! The best part? You don’t need any special equipment – just make sure you change out filters regularly for optimal performance

Filtration is one major factor in keeping neon tetra’s lifespan lengthy, prolonging how long neon tetras live.


Neon tetras are a popular and beautiful addition to any freshwater aquarium. Despite their small size, they have an average lifespan of five to six years when cared for properly. There are several things you can do to help your neon tetras thrive, including creating the right water conditions, providing them with sufficient hiding places, and ensuring they have a nutritious diet. By following these simple guidelines, you can enjoy the company of your neon tetras for many years to come, prolonging how long neon tetras live.

Thankfish for reading!

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