Can Opaline Gourami live with Oscar?
Not recommended
Why
- Oscar’s mouth is big enough to swallow Opaline Gourami (only 6" long) — it will be eaten.
- Oscar is aggressive and will fight with Opaline Gourami — two scrappy species in one tank means constant territorial conflict.
Side-by-side
| Opaline Gourami | Oscar | |
|---|---|---|
| Temperature | 72–82°F | 74–81°F |
| pH | 6–8.5 | 6–8 |
| Hardness (GH) | 5–20 dGH | 5–20 dGH |
| Adult size | 6" | 16" |
| Temperament | Semi-aggressive | Aggressive |
| Min tank | 30 gal | 75 gal |
Together, plan on at least 75 gallons.
Compatible alternatives
Instead of Opaline Gourami (to keep Oscar):
- Oscar — 16", aggressive
- Kissing Gourami — 12", semi-aggressive
- Typhoon Pleco — 12", semi-aggressive
Instead of Oscar (to keep Opaline Gourami):
- Kissing Gourami — 12", semi-aggressive
- Giant Gourami — 24", semi-aggressive
- Swordtail — 5.5", semi-aggressive
Design the whole tank, not just the stocking
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Design a tank with Opaline Gourami, Oscar →Everything compatible with Opaline Gourami · …with Oscar