Can Altum Angelfish live with Cajun Dwarf Crayfish?
Caution — with care
Why
- No overlapping temperature: Altum Angelfish wants 82–88°F but Cajun Dwarf Crayfish wants 65–75°F.
- Cajun Dwarf Crayfish can grab Altum Angelfish while it sleeps — only fast mid/top-water fish are reasonably safe.
- Only a narrow pH overlap — keep both around 6.5–6.5.
- Only a narrow water hardness overlap — keep both around 5–5 dGH.
Side-by-side
| Altum Angelfish | Cajun Dwarf Crayfish | |
|---|---|---|
| Temperature | 82–88°F | 65–75°F |
| pH | 4.5–6.5 | 6.5–8 |
| Hardness (GH) | 1–5 dGH | 5–15 dGH |
| Adult size | 7" | 1.5" |
| Temperament | Peaceful | Peaceful |
| Min tank | 75 gal | 10 gal |
Together, plan on at least 75 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 · GH remineraliser
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Design a tank with Altum Angelfish, Cajun Dwarf Crayfish →Everything compatible with Altum Angelfish · …with Cajun Dwarf Crayfish