Can Opaline Gourami live with Yucatan Molly?
Light caution
Why
- Opaline Gourami is semi-aggressive — give the peaceful Yucatan Molly plenty of space, cover and broken sight lines.
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.
Sort it with: GH remineraliser
Design the whole tank, not just the stocking
Skapelab plans a complete, buildable planted aquarium around your fish — a hand-illustrated layout, the exact plants and hardscape, a placement map, and a full equipment and shopping list. Free.
Design a tank with Opaline Gourami, Yucatan Molly →Everything compatible with Opaline Gourami · …with Yucatan Molly