Can Thai Devil Crab live with Dwarf Crayfish (CPO)?
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 75–79°F and pH 7.5–8 — aim there.
Side-by-side
| Thai Devil Crab | Dwarf Crayfish (CPO) | |
|---|---|---|
| Temperature | 75–84°F | 65–79°F |
| pH | 7.5–8.5 | 7–8 |
| Hardness (GH) | 8–18 dGH | 6–15 dGH |
| Adult size | 2" | 1.75" |
| Temperament | Semi-aggressive | Peaceful |
| Min tank | 20 gal | 10 gal |
Together, plan on at least 20 gallons.
Where to buy
- Dwarf Crayfish (CPO): buy at The Shrimp Farm · The Shrimp Farm live-arrival guarantee
Live-animal shipping: add a heat pack below 50°F, expect weather holds above 90°F, and schedule delivery for a moderate week when someone can receive it promptly.
Design the whole tank, not just the stocking
Skapelab plans a complete, buildable planted aquarium around your fish — a hand-illustrated layout, the exact plants and hardscape, a placement map, and a full equipment and shopping list. Free.
Design a tank with Thai Devil Crab, Dwarf Crayfish (CPO) →Everything compatible with Thai Devil Crab · …with Dwarf Crayfish (CPO)