Can Adolfo's Cory live with Fiddler Crab?
Not recommended
Why
- Fiddler Crab hunts along the bottom and will catch the bottom-dwelling Adolfo's Cory, especially at night.
- No overlapping pH: Adolfo's Cory wants 5.5–7 but Fiddler Crab wants 7.5–8.5.
- No overlapping water hardness: Adolfo's Cory wants 2–10 dGH but Fiddler Crab wants 15–25 dGH.
Side-by-side
| Adolfo's Cory | Fiddler Crab | |
|---|---|---|
| Temperature | 75–82°F | 72–82°F |
| pH | 5.5–7 | 7.5–8.5 |
| Hardness (GH) | 2–10 dGH | 15–25 dGH |
| Adult size | 2.25" | 2" |
| Temperament | Peaceful | Peaceful |
| Min tank | 20 gal | 15 gal |
Together, plan on at least 20 gallons.
Compatible alternatives
Instead of Adolfo's Cory (to keep Fiddler Crab):
- Betta (Siamese Fighting Fish) — 2.5", semi-aggressive
- Black Skirt Tetra — 2.5", semi-aggressive
- Cardinal Tetra — 2", peaceful buy at The Shrimp Farm · The Shrimp Farm live-arrival guarantee
Instead of Fiddler Crab (to keep Adolfo's Cory):
- Pom Pom Crab — 1", semi-aggressive
- Thai Micro Crab — 0.4", peaceful
- Thai Micro Pom Pom Crab — 0.8", peaceful
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Design a tank with Adolfo's Cory, Fiddler Crab →Everything compatible with Adolfo's Cory · …with Fiddler Crab