How to Keep Black Neon Tetra Fish in the Aquarium - fish-hobbyist

How to Keep Black Neon Tetra Fish in the Aquarium

Keeping Black Neon Tetra fish in the aquarium is doable, even for those who are new to fishkeeping. Having them will certainly complete a beautiful show tank.

Black Neon Tetra fish (Hyphessobrycon herbertaxelrodi) is different from Neon Tetra, even though they have similarities and share the same name. Unlike Neon Tetra with a blue and red neon stripe, Black Neon Tetra's distinctive feature is a white to greenish horizontal neon stripe that contrasts with its body's color below it. This ornamental fish certainly has its beauty! 

If you are interested in keeping Black Neon Tetra fish in the aquarium, there are several things to prepare. Aside from preparing stuff, you will also need to research the fish. No need to worry; this article covers all of that!

Fish Profile

Black Neon Tetra is known for having a pleasant personality, which is peaceful and energetic. It makes them a suitable addition to a community tank. Aside from that, it is also considered a friendly fish for beginners.

This fish is normally seen in schools because they are a schooling fish; therefore, it is recommended to have half a dozen or seven Black Neon Tetras in a tank. It can grow up to 1.5 inches with a life expectancy of five years with proper care. They are quite hardy, but that does not mean you can put them in a tank of any size and condition.

Tank Size and Condition

When keeping Black Neon Tetra fish in the aquarium, the recommended tank size and condition must be met. This active fish requires a minimum tank size of 20 gallons to swim freely with its school. Having subdued lighting with a shadowy set highlighting their beauty is preferable for the fish and you to enjoy.

Much like other tetras, this fish prefers soft acidic water with these parameters:
Water Hardness: 6 – 15 dGH
Water Temperature: 75 to 82 degrees Fahrenheit
Water pH: 5 – 7.5

Another idea that you can use is by setting up a biotype tank. Use river sand or dark gravel as substrate and a few decorations using twisted roots and driftwood. You can also put in some leaves which you need to replace every few weeks. 


As mentioned before, Black Neon Tetra fish is a peaceful fish. They are most likely not to attack other fishes. They do well in a community tank as long as they are not met with an aggressive or larger fish. It would be best never to put them in a tank with a larger fish because they may eat Black Neon Tetra. If a fish can open its mouth big enough to swallow Black Neon Tetra, it will do it when they have the opportunity.

Some suitable tankmates include fishes that are also peaceful and have a similar size to Black Neon Tetras. Some examples are danios, peaceful gourami, rasboras, cory catfish, and other peaceful bottom dwellers. 

In conclusion, the preparation of keeping Black Neon Tetra fish in the aquarium needs a few proper research to ensure its longevity. Make sure that you get the water conditions just right, and avoid putting larger fishes as their tankmates. Once you get the hang of it, you might want to try spawning them next!


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