Can Emerald Dwarf Rasbora live with Fiddler Crab?
Caution — with care
Why
- Fiddler Crab can grab Emerald Dwarf Rasbora while it sleeps — only fast mid/top-water fish are reasonably safe.
- Only a narrow water hardness overlap — keep both around 15–15 dGH.
Sweet spot: both do well at 72–77°F and pH 7.5–8 — aim there.
Side-by-side
| Emerald Dwarf Rasbora | Fiddler Crab | |
|---|---|---|
| Temperature | 68–77°F | 72–82°F |
| pH | 7–8 | 7.5–8.5 |
| Hardness (GH) | 5–15 dGH | 15–25 dGH |
| Adult size | 0.9" | 2" |
| Temperament | Peaceful | Peaceful |
| Min tank | 10 gal | 15 gal |
Together, plan on at least 15 gallons.
How to make it work
- Only combine with fast, mid/top-water fish and give the tankmates plenty of escape routes.
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: GH remineraliser
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Design a tank with Emerald Dwarf Rasbora, Fiddler Crab →Everything compatible with Emerald Dwarf Rasbora · …with Fiddler Crab