Can Cajun Dwarf Crayfish live with False Rummy Nose Tetra?
Caution — with care
Why
- Only a narrow temperature overlap — keep both around 75°F.
- Cajun Dwarf Crayfish can grab False Rummy Nose Tetra while it sleeps — only fast mid/top-water fish are reasonably safe.
Sweet spot: both do well at 75–75°F and pH 6.5–7 — aim there.
Side-by-side
| Cajun Dwarf Crayfish | False Rummy Nose Tetra | |
|---|---|---|
| Temperature | 65–75°F | 75–82°F |
| pH | 6.5–8 | 5.5–7 |
| Hardness (GH) | 5–15 dGH | 2–8 dGH |
| Adult size | 1.5" | 2" |
| Temperament | Peaceful | Peaceful |
| Min tank | 10 gal | 20 gal |
Together, plan on at least 20 gallons.
How to make it work
- Target the overlapping water-parameter range and acclimate slowly.
- Only combine with fast, mid/top-water fish and give the tankmates plenty of escape routes.
Sort it with: An adjustable heater → Chewy
Where to buy
- Cajun Dwarf Crayfish: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- False Rummy Nose Tetra: 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 Cajun Dwarf Crayfish · …with False Rummy Nose Tetra