Is the Flame Tetra suitable for beginners?

Yes — it's a hardy fish that tolerates a range of conditions, making it a popular choice for first-time aquarists. With basic water quality care and slow acclimation, it's easy to get started.

How many should I keep together?

Since they're a shoaling species, it's best to keep at least six or more together. Larger groups show off their swimming display more vividly and help spread out any social stress among individuals.

Can they be kept with other fish?

Thanks to their peaceful temperament, they mix well with similarly sized, calm tropical fish. Just avoid pairing them with much larger or aggressive species, since they're quite small themselves.

What tank size do I need?

Since adults only reach about 3 to 4 cm, you don't need an especially large tank. That said, since they do best in a group, choose a tank with enough swimming room for a shoal to move comfortably.

How long do Flame Tetras live?

They typically live around 3 to 5 years. Consistent water quality care and a well-maintained environment can help them stay healthy for that full lifespan.

Flame Tetra

The Flame Tetra is a small characin known for the fiery red hue that washes across the back half of its body, set off nicely against a silvery front. Reaching just 3 to 4 cm as an adult, it looks its best kept as a shoal, where flashes of red create a striking effect as the group moves together. Peaceful and easygoing, it gets along well with other calm tankmates and tolerates a range of conditions, making it a great pick for first-time aquarists. It thrives in slightly acidic water and looks especially at home in a planted tank, and with a lifespan of 3 to 5 years, it's a fish you can enjoy keeping for the long haul.

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About Flame Tetra

The Flame Tetra is a small, hardy characin with a fiery red rear half, popular with beginners for its ease of care and its striking look in a shoal within a planted, slightly acidic tank.

7 things to know before welcoming a Flame Tetra

1Keep them in a shoal
Flame Tetras look their best and feel most secure when kept in a group rather than alone. Aim for at least six or more individuals so they can display natural shoaling behavior and stay calmer overall.
2Provide slightly acidic water
This species does best in slightly acidic water. Setting up your tank's water chemistry in advance and acclimating new fish slowly helps reduce stress.
3Choose tankmates carefully
Flame Tetras are peaceful and generally mix well with similarly sized tropical fish. Because they're small, it's best to avoid pairing them with much larger or aggressive species.
4Shines in a planted tank
Their red coloring stands out beautifully against green plants. Planted areas also give them places to retreat to, helping them feel more settled.
5Acclimate slowly
Sudden changes in water chemistry or temperature can be stressful, so take your time acclimating new arrivals using a drip method or similar gradual approach.
6A 3-5 year commitment
Flame Tetras typically live around 3 to 5 years. It's worth planning for that timeframe by choosing a spot for the tank and a care routine you can keep up long term.
7Cycle the tank first
Before bringing fish home, run your filter for a while to establish beneficial bacteria as a foundation for healthy keeping. Giving the tank a few weeks to cycle first makes for a smoother start.

Frequently asked questions about Flame Tetra

Q.Is the Flame Tetra suitable for beginners?: A.Yes — it's a hardy fish that tolerates a range of conditions, making it a popular choice for first-time aquarists. With basic water quality care and slow acclimation, it's easy to get started.
Q.How many should I keep together?: A.Since they're a shoaling species, it's best to keep at least six or more together. Larger groups show off their swimming display more vividly and help spread out any social stress among individuals.
Q.Can they be kept with other fish?: A.Thanks to their peaceful temperament, they mix well with similarly sized, calm tropical fish. Just avoid pairing them with much larger or aggressive species, since they're quite small themselves.
Q.What tank size do I need?: A.Since adults only reach about 3 to 4 cm, you don't need an especially large tank. That said, since they do best in a group, choose a tank with enough swimming room for a shoal to move comfortably.
Q.How long do Flame Tetras live?: A.They typically live around 3 to 5 years. Consistent water quality care and a well-maintained environment can help them stay healthy for that full lifespan.