Can Koi Angelfish live with Black Kuhli Loach?
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 | Black Kuhli Loach | |
|---|---|---|
| Temperature | 78–84°F | 73–86°F |
| pH | 6–7.5 | 5.5–7 |
| Hardness (GH) | 3–12 dGH | 2–10 dGH |
| Adult size | 6" | 3" |
| Temperament | Peaceful | Peaceful |
| Min tank | 30 gal | 20 gal |
Together, plan on at least 30 gallons.
Where to buy
- Koi Angelfish: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Black Kuhli Loach: 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 Black Kuhli Loach