Can Marbled Crayfish live with Red Devil Vampire Crab?
Compatible
Why
No conflicts — these two share similar water needs, temperament, and size, and neither is a threat to the other.
Sweet spot: both do well at 75–77°F and pH 7.5–8 — aim there.
Side-by-side
| Marbled Crayfish | Red Devil Vampire Crab | |
|---|---|---|
| Temperature | 64–77°F | 75–82°F |
| pH | 6.5–8 | 7.5–8 |
| Hardness (GH) | 5–20 dGH | 8–15 dGH |
| Adult size | 5" | 1.5" |
| Temperament | Aggressive | Peaceful |
| Min tank | 30 gal | 10 gal |
Together, plan on at least 30 gallons.
Design the whole tank, not just the stocking
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Design a tank with Marbled Crayfish, Red Devil Vampire Crab →Everything compatible with Marbled Crayfish · …with Red Devil Vampire Crab