Can Oscar live with Brilliant Rasbora?
Not recommended
Why
- Oscar’s mouth is big enough to swallow Brilliant Rasbora (only 4" long) — it will be eaten.
- Oscar is aggressive and will attack the peaceful Brilliant Rasbora.
Side-by-side
| Oscar | Brilliant Rasbora | |
|---|---|---|
| Temperature | 74–81°F | 72–82°F |
| pH | 6–8 | 5.5–7 |
| Hardness (GH) | 5–20 dGH | 4–12 dGH |
| Adult size | 16" | 4" |
| Temperament | Aggressive | Peaceful |
| Min tank | 75 gal | 30 gal |
Together, plan on at least 75 gallons.
Compatible alternatives
Instead of Oscar (to keep Brilliant Rasbora):
- Kissing Gourami — 12", semi-aggressive
- Siamese Algae Eater — 6", peaceful
- Moonlight Gourami — 6", peaceful
Instead of Brilliant Rasbora (to keep Oscar):
- Oscar — 16", aggressive
- Kissing Gourami — 12", semi-aggressive
- Typhoon Pleco — 12", semi-aggressive
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Design a tank with Oscar, Brilliant Rasbora →Everything compatible with Oscar · …with Brilliant Rasbora