Can Koi Angelfish live with Cajun Dwarf Crayfish?
Caution — with care
Why
- No overlapping temperature: Koi Angelfish wants 78–84°F but Cajun Dwarf Crayfish wants 65–75°F.
- Cajun Dwarf Crayfish can grab Koi Angelfish while it sleeps — only fast mid/top-water fish are reasonably safe.
Side-by-side
| Koi Angelfish | Cajun Dwarf Crayfish | |
|---|---|---|
| Temperature | 78–84°F | 65–75°F |
| pH | 6–7.5 | 6.5–8 |
| Hardness (GH) | 3–12 dGH | 5–15 dGH |
| Adult size | 6" | 1.5" |
| Temperament | Peaceful | Peaceful |
| Min tank | 30 gal | 10 gal |
Together, plan on at least 30 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
- Koi Angelfish: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Cajun Dwarf Crayfish: 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 Koi Angelfish · …with Cajun Dwarf Crayfish