Can Altum Angelfish live with Colombian Ramshorn?
Caution — with care
Why
- Only a narrow temperature overlap — keep both around 82°F.
- No overlapping pH: Altum Angelfish wants 4.5–6.5 but Colombian Ramshorn wants 7–8.5.
- No overlapping water hardness: Altum Angelfish wants 1–5 dGH but Colombian Ramshorn wants 8–20 dGH.
Side-by-side
| Altum Angelfish | Colombian Ramshorn | |
|---|---|---|
| Temperature | 82–88°F | 68–82°F |
| pH | 4.5–6.5 | 7–8.5 |
| Hardness (GH) | 1–5 dGH | 8–20 dGH |
| Adult size | 7" | 2" |
| Temperament | Peaceful | Peaceful |
| Min tank | 75 gal | 30 gal |
Together, plan on at least 75 gallons.
How to make it work
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: An adjustable heater → Chewy GH remineraliser → Aquarium Co-Op
Where to buy
- Altum Angelfish: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Colombian Ramshorn: 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 Altum Angelfish · …with Colombian Ramshorn