Can Black Molly live with Chocolate Gourami?
Light caution
Why
- Black Molly is large enough to threaten a small Chocolate Gourami — usually fine once both are adult, but watch new additions.
- No overlapping pH: Black Molly wants 7–8.5 but Chocolate Gourami wants 4–6.5.
- No overlapping water hardness: Black Molly wants 12–30 dGH but Chocolate Gourami wants 0–5 dGH.
Side-by-side
| Black Molly | Chocolate Gourami | |
|---|---|---|
| Temperature | 72–82°F | 78–86°F |
| pH | 7–8.5 | 4–6.5 |
| Hardness (GH) | 12–30 dGH | 0–5 dGH |
| Adult size | 4" | 2" |
| Temperament | Peaceful | Peaceful |
| Min tank | 30 gal | 15 gal |
Together, plan on at least 30 gallons.
How to make it work
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: GH remineraliser → Aquarium Co-Op
Where to buy
- Black Molly: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Chocolate Gourami: 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 Black Molly · …with Chocolate Gourami