Can Dwarf Crayfish (CPO) live with Swordtail?
Light caution
Why
- Dwarf Crayfish (CPO) can grab Swordtail while it sleeps — only fast mid/top-water fish are reasonably safe.
Sweet spot: both do well at 72–79°F and pH 7–8 — aim there.
Side-by-side
| Dwarf Crayfish (CPO) | Swordtail | |
|---|---|---|
| Temperature | 65–79°F | 72–82°F |
| pH | 7–8 | 7–8.4 |
| Hardness (GH) | 6–15 dGH | 12–30 dGH |
| Adult size | 1.75" | 5.5" |
| Temperament | Peaceful | Peaceful |
| Min tank | 10 gal | 29 gal |
Together, plan on at least 29 gallons.
How to make it work
- Only combine with fast, mid/top-water fish and give the tankmates plenty of escape routes.
Where to buy
- Dwarf Crayfish (CPO): buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Swordtail: buy at Flip Aquatics · Flip Aquatics 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.
Build a full tank around this stocking →Everything compatible with Dwarf Crayfish (CPO) · …with Swordtail