Can Opaline Gourami live with Yucatan Molly?
Caution — with care
Why
- Opaline Gourami is semi-aggressive and may bully the peaceful Yucatan Molly — give lots of space and cover.
Sweet spot: both do well at 72–82°F and pH 7.5–8.5 — aim there.
Side-by-side
| Opaline Gourami | Yucatan Molly | |
|---|---|---|
| Temperature | 72–82°F | 72–82°F |
| pH | 6–8.5 | 7.5–8.5 |
| Hardness (GH) | 5–20 dGH | 15–30 dGH |
| Adult size | 6" | 6" |
| Temperament | Semi-aggressive | Peaceful |
| Min tank | 30 gal | 40 gal |
Together, plan on at least 40 gallons.
How to make it work
- Use a larger, well-decorated tank with sightline breaks, keep everyone well-fed, and add the calmer fish first.
Where to buy
- Opaline Gourami: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Yucatan Molly: buy at Flip Aquatics · Flip Aquatics 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.
Build a full tank around this stocking →Everything compatible with Opaline Gourami · …with Yucatan Molly