Can Emerald Cory (Brochis) live with Fiddler Crab?
Not recommended
Why
- Fiddler Crab hunts along the bottom and will catch the bottom-dwelling Emerald Cory (Brochis), especially at night.
- Only a narrow pH overlap — keep both around 7.5–7.8.
- Only a narrow water hardness overlap — keep both around 15–15 dGH.
Side-by-side
| Emerald Cory (Brochis) | Fiddler Crab | |
|---|---|---|
| Temperature | 72–79°F | 72–82°F |
| pH | 6–7.8 | 7.5–8.5 |
| Hardness (GH) | 2–15 dGH | 15–25 dGH |
| Adult size | 3" | 2" |
| Temperament | Peaceful | Peaceful |
| Min tank | 29 gal | 15 gal |
Together, plan on at least 29 gallons.
Compatible alternatives
Instead of Emerald Cory (Brochis) (to keep Fiddler Crab):
- Croaking Gourami — 3", peaceful
- Noble Gourami — 3", peaceful
- Betta (Siamese Fighting Fish) — 2.5", semi-aggressive
Instead of Fiddler Crab (to keep Emerald Cory (Brochis)):
- Pom Pom Crab — 1", semi-aggressive
- Thai Micro Pom Pom Crab — 0.8", peaceful
- Thai Micro Crab — 0.4", peaceful
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Design a tank with Emerald Cory (Brochis), Fiddler Crab →Everything compatible with Emerald Cory (Brochis) · …with Fiddler Crab