Can Koi Angelfish live with King Tiger Pleco?
Light caution
Why
- Only a narrow water hardness overlap — keep both around 5.5–7 dGH.
Sweet spot: both do well at 79–84°F and pH 6.5–7.5 — aim there.
Side-by-side
| Koi Angelfish | King Tiger Pleco | |
|---|---|---|
| Temperature | 78–84°F | 79–86°F |
| pH | 6–7.5 | 6.5–7.6 |
| Hardness (GH) | 3–12 dGH | 5.5–7 dGH |
| Adult size | 6" | 6" |
| Temperament | Peaceful | Peaceful |
| Min tank | 30 gal | 55 gal |
Together, plan on at least 55 gallons.
How to make it work
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: GH remineraliser
Design the whole tank, not just the stocking
Skapelab plans a complete, buildable planted aquarium around your fish — a hand-illustrated layout, the exact plants and hardscape, a placement map, and a full equipment and shopping list. Free.
Design a tank with Koi Angelfish, King Tiger Pleco →Everything compatible with Koi Angelfish · …with King Tiger Pleco