Can Koi Angelfish live with Noble Gourami?
Caution — with care
Why
- No overlapping temperature: Koi Angelfish wants 78–84°F but Noble Gourami wants 64–75°F.
- Only a narrow water hardness overlap — keep both around 6–7 dGH.
Side-by-side
| Koi Angelfish | Noble Gourami | |
|---|---|---|
| Temperature | 78–84°F | 64–75°F |
| pH | 6–7.5 | 6.5–7.6 |
| Hardness (GH) | 3–12 dGH | 6–7 dGH |
| Adult size | 6" | 3" |
| Temperament | Peaceful | Peaceful |
| Min tank | 30 gal | 20 gal |
Together, plan on at least 30 gallons.
How to make it work
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: An adjustable heater · GH remineraliser
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Design a tank with Koi Angelfish, Noble Gourami →Everything compatible with Koi Angelfish · …with Noble Gourami