Can Black Neon Tetra live with Noble Gourami?
Light caution
Why
- Only a narrow water hardness overlap — keep both around 6–7 dGH.
Sweet spot: both do well at 72–75°F and pH 6.5–7.5 — aim there.
Side-by-side
| Black Neon Tetra | Noble Gourami | |
|---|---|---|
| Temperature | 72–82°F | 64–75°F |
| pH | 5.5–7.5 | 6.5–7.6 |
| Hardness (GH) | 2–12 dGH | 6–7 dGH |
| Adult size | 1.5" | 3" |
| Temperament | Peaceful | Peaceful |
| Min tank | 15 gal | 20 gal |
Together, plan on at least 20 gallons.
How to make it work
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: GH remineraliser
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Design a tank with Black Neon Tetra, Noble Gourami →Everything compatible with Black Neon Tetra · …with Noble Gourami