Can Koi Angelfish live with German Blue Ram?
Compatible
Why
No conflicts — these two share similar water needs, temperament, and size, and neither is a threat to the other.
Sweet spot: both do well at 78–84°F and pH 6–7 — aim there.
Side-by-side
| Koi Angelfish | German Blue Ram | |
|---|---|---|
| Temperature | 78–84°F | 78–85°F |
| pH | 6–7.5 | 5.5–7 |
| Hardness (GH) | 3–12 dGH | 1–8 dGH |
| Adult size | 6" | 2.5" |
| Temperament | Peaceful | Peaceful |
| Min tank | 30 gal | 20 gal |
Together, plan on at least 30 gallons.
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Design a tank with Koi Angelfish, German Blue Ram →Everything compatible with Koi Angelfish · …with German Blue Ram