Can Rummynose Tetra live with Yucatan Molly?
Caution — with care
Why
- No overlapping pH: Rummynose Tetra wants 5.5–7 but Yucatan Molly wants 7.5–8.5.
- No overlapping water hardness: Rummynose Tetra wants 2–8 dGH but Yucatan Molly wants 15–30 dGH.
- Large size gap (Yucatan Molly 6" vs Rummynose Tetra 2") — watch that the smaller one gets its share at feeding time.
Side-by-side
| Rummynose Tetra | Yucatan Molly | |
|---|---|---|
| Temperature | 75–84°F | 72–82°F |
| pH | 5.5–7 | 7.5–8.5 |
| Hardness (GH) | 2–8 dGH | 15–30 dGH |
| Adult size | 2" | 6" |
| Temperament | Peaceful | Peaceful |
| Min tank | 20 gal | 40 gal |
Together, plan on at least 40 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 Rummynose Tetra, Yucatan Molly →Everything compatible with Rummynose Tetra · …with Yucatan Molly