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Can a Betta Live With a Neon Tetra?

With caution — a betta and neon tetra can work, but watch the details.

Updated June 2026
By the AquaStocker team · How we source our data
Maybe — with caution
BettaBetta
2.8" · 5g min · 76–82°F · Semi-aggressive
+
Neon TetraNeon Tetra
1.5" · 10g min · 70–81°F · Peaceful
Temperatures line up — both thrive around 76–81°F.
pH preferences overlap (6.5–7) — easy to keep both comfortable.
The betta can nip or bully a small peaceful neon tetra — add cover and space.
Plan on at least 10 gallons for the pair (the larger of their two minimums).

Plan the full tank with the stocking calculator →

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Aquarium water test kitwatch your parametersAquarium filtermore filtration = headroomAquarium heaterstable temperature10 gallon aquariumroom for both

FAQ

Can a betta and neon tetra live together?
With caution — a betta and neon tetra can work, but watch the details. Minimum tank for the pair is about 10 gallons.

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