Can Black Molly live with Green Neon Tetra?
Caution — with care
Why
- No overlapping pH: Black Molly wants 7–8.5 but Green Neon Tetra wants 4–6.5.
- No overlapping water hardness: Black Molly wants 12–30 dGH but Green Neon Tetra wants 1–5 dGH.
- Large size gap (Black Molly 4" vs Green Neon Tetra 1") — watch that the smaller one gets its share at feeding time.
Side-by-side
| Black Molly | Green Neon Tetra | |
|---|---|---|
| Temperature | 72–82°F | 75–84°F |
| pH | 7–8.5 | 4–6.5 |
| Hardness (GH) | 12–30 dGH | 1–5 dGH |
| Adult size | 4" | 1" |
| Temperament | Peaceful | Peaceful |
| Min tank | 30 gal | 10 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
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Design a tank with Black Molly, Green Neon Tetra →Everything compatible with Black Molly · …with Green Neon Tetra