Can a Neon Tetra Live With a Swordtail?
With caution — a neon tetra and swordtail can work, but watch the details.
Maybe — with caution
Neon Tetra
SwordtailTemperatures line up — both thrive around 70–81°F.
pH preferences overlap (7–7) — easy to keep both comfortable.
Big size gap — keep an eye on the small neon tetra around the much larger swordtail.
Both are shoaling species — keep each in its own group of 6+ for calm, confident fish.
Plan on at least 20 gallons for the pair (the larger of their two minimums).
Plan the full tank with the stocking calculator →
Gear for a community tank
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FAQ
Can a neon tetra and swordtail live together?
With caution — a neon tetra and swordtail can work, but watch the details. Minimum tank for the pair is about 20 gallons.