Neon Tetra Care Guide: Everything You Need To Know
Neon Tetras are the crowning glory fish of the home aquarium. Their exquisite natural beauty says it all. This torpedo-shaped fish has gorgeous bright colors and grows only up to 1.5 inches in length. The Neon Tetra has white on its abdomen and a light blue stripe or iridescent red stripe on its back, making it the perfect ornamental fish for your aquarium.
This all-inclusive Neon Tetra care guide will teach you everything you need to know to start caring for this fascinating freshwater fish. Keeping Neon Tetras is somewhat of a right of passage in the fishkeeping world. We’ve all had them!
What is the Neon Tetra?
The Neon Tetra is a small schooling fish that comes from freshwater streams from South America. There are various other types of Neon Tetras: the true Neon Tetras (paracheirodon innesi), Cardinal Tetras (Red Neon Tetra), Green Neon Tetras, Black Neon Tetras, and much more.
Neon Tetras are very active fish that love free swimming. Neon Tetras live as a peaceful fish, so they’re one of the best fish for aquarium communities as they coexist well with other fish.
How To Care For Neon Tetras
While Neon Tetras are known as easy fish to take care of, that doesn’t mean their care requirements should be looked over or neglected. They still have specific water parameters that need to be met in order for them to be healthy.
Let’s break down the ideal Neon Tetra water parameters:
Neon Tetra Temperature
In the wild, the Neon Tetra inhabits slightly acidic waters that have temperatures that are generally around 25°C. A water temperature between 23°C – 26°C would be ideal.
Neon Tetra Lifespan
In natural conditions, Neon Tetras live up to ten years. In a home aquarium, the average lifespan is five years. How long your Neon Tetras live depends on how well you care for them and how well you can prevent the spread of diseases that can lead to their early demise.
Neon Tetra Water Acidity
Neon Tetras are best kept in an aquarium environment where the encasement is at least 24 inches long and the water pH is between 6 – 7.
Drastic changes in their surroundings can easily cause damage to their health and may consequently cause their death.
All Neon Tetra fish thrive best in dense vegetation aquarium tanks that have low-light hiding places.
Neon Tetra Diet: What Do Neon Tetras Eat?
This fish is an omnivore and can eat flake foods provided they are small enough for them to swallow and ingest. We recommend that you feed Neon Tetras a high-quality fish flake, with at least a 40% protein content.
The food that we feed our Neon Tetras is the micro pellets from Hikari. Our Tetras can’t get enough of these and they are nutrient-dense enough to help them maintain their vibrant colors.
As a treat, you can feed your Tetra frozen foods. The ones we recommend the most are:
When feeding Neon Tetras frozen
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If you are interested in feeding your fish live food, then you can try fruit flies and black worms. These are usually carried by local pet stores and Neon Tetras absolutely love them so feed them sparingly.
How Often Should I Be Feeding Neon Tetras?
When feeding Neon Tetras, simply follow the same feeding schedule that you do for other tropical fish in your aquarium. Once per day is generally sufficient but if you want to feed them once in the morning and once at night, that’s fine.
The trick to feeding Neon Tetras is to feed them just enough and never too much. Overfeeding can cause the uneaten food to rot, spiking ammonia and throwing the chemistry of your water out of whack, leading to potential disease or the death of your fish.
Feed them enough that they can eat within a couple of minutes and remove any food that’s uneaten after those couple of minutes.
Perfect Neon Tetra Tank Conditions
Wild Neon Tetras are generally a hard breed of fish but commercial breeding has softened them slightly, making them a little more delicate so we need to take that into consideration when setting up a tank.
What Size Should My Neon Tetra Tank Be?
In order to meet the standard Neon Tetra tank requirements, we recommend at least a 10-gallon tank. The bigger the tank size, the better.
Large water changes can be fatal for Neon Tetras so having a larger tank makes the water changes less obvious.
For filtration, a regular sponge filter or a hang-on back filter will be sufficient. Since Neon Tetras have a small bioload, their filtration needs are very undemanding. However, since Neon Tetras are non-aggressive fish that are generally kept within a larger community tank, the filtration requirements of the entire aquarium will need to be considered.
When it comes to filtration, more is always better than not having enough.
You should never add Neon Tetras to a tank that has not been properly cycled. A new tank can be life-threatening, so a more mature tank is best. If you are adding a new fish to a new aquarium, be sure to read our guide on effective nitrogen cycling.
Do Neon Tetras Need Plants?
Neon Tetras love a busy tank with a lot of space and dense vegetation. They will appreciate the greenery and they love to swim in and out of the plants. The more
Neon Tetras will be happy with most freshwater plants, but a few of their favorites include:
- Cabomba (my personal favorite)
- Floating plants like red root floaters and dwarf baby tears
- All kinds of moss
- Vallisneria