Can Giant Gourami live with Harlequin Rasbora?
Not recommended
Why
- Giant Gourami’s mouth is big enough to swallow Harlequin Rasbora (only 1.75" long) — it will be eaten.
- Giant Gourami is semi-aggressive — give the peaceful Harlequin Rasbora plenty of space, cover and broken sight lines.
Side-by-side
| Giant Gourami | Harlequin Rasbora | |
|---|---|---|
| Temperature | 72–82°F | 72–80°F |
| pH | 6.5–8 | 6–7.5 |
| Hardness (GH) | 5–19 dGH | 2–12 dGH |
| Adult size | 24" | 1.75" |
| Temperament | Semi-aggressive | Peaceful |
| Min tank | 200 gal | 15 gal |
Together, plan on at least 200 gallons.
Compatible alternatives
Instead of Giant Gourami (to keep Harlequin Rasbora):
- Kissing Gourami — 12", semi-aggressive
- Sparkling Gourami — 1.5", peaceful buy at The Shrimp Farm · The Shrimp Farm live-arrival guarantee
- Pygmy Cory — 1", peaceful
Instead of Harlequin Rasbora (to keep Giant Gourami):
- Blue Gourami — 5", semi-aggressive
- Angelfish — 6", peaceful
- Gold Gourami — 6", semi-aggressive
Where to buy
- Harlequin Rasbora: buy at The Shrimp Farm · The Shrimp Farm live-arrival guarantee
Live-animal shipping: add a heat pack below 50°F, expect weather holds above 90°F, and schedule delivery for a moderate week when someone can receive it promptly.
Design the whole tank, not just the stocking
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Design a tank with Giant Gourami, Harlequin Rasbora →Everything compatible with Giant Gourami · …with Harlequin Rasbora