Can Dwarf Cory (Habrosus) live with Fiddler Crab?
Not recommended
Why
- Fiddler Crab hunts along the bottom and will catch the bottom-dwelling Dwarf Cory (Habrosus), especially at night.
- No overlapping water hardness: Dwarf Cory (Habrosus) wants 2–12 dGH but Fiddler Crab wants 15–25 dGH.
- Only a narrow pH overlap — keep both around 7.5–7.5.
Side-by-side
| Dwarf Cory (Habrosus) | Fiddler Crab | |
|---|---|---|
| Temperature | 72–79°F | 72–82°F |
| pH | 6–7.5 | 7.5–8.5 |
| Hardness (GH) | 2–12 dGH | 15–25 dGH |
| Adult size | 1" | 2" |
| Temperament | Peaceful | Peaceful |
| Min tank | 10 gal | 15 gal |
Together, plan on at least 15 gallons.
Compatible alternatives
Instead of Dwarf Cory (Habrosus) (to keep Fiddler Crab):
- Axelrod's Rasbora — 0.6", peaceful
- Black Neon Tetra — 1.5", peaceful
- Chili Rasbora — 0.7", peaceful buy at The Shrimp Farm · The Shrimp Farm live-arrival guarantee
Instead of Fiddler Crab (to keep Dwarf Cory (Habrosus)):
- Pom Pom Crab — 1", semi-aggressive
- Thai Micro Pom Pom Crab — 0.8", peaceful
- Thai Micro Crab — 0.4", peaceful
Design the whole tank, not just the stocking
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Design a tank with Dwarf Cory (Habrosus), Fiddler Crab →Everything compatible with Dwarf Cory (Habrosus) · …with Fiddler Crab