Can Koi Angelfish live with Dwarf Emerald Rasbora (nanus)?
Not recommended
Why
- Koi Angelfish’s mouth is big enough to swallow Dwarf Emerald Rasbora (nanus) (only 0.7" long) — it will be eaten.
- Only a narrow temperature overlap — keep both around 78–79°F.
Side-by-side
| Koi Angelfish | Dwarf Emerald Rasbora (nanus) | |
|---|---|---|
| Temperature | 78–84°F | 72–79°F |
| pH | 6–7.5 | 6.5–7.5 |
| Hardness (GH) | 3–12 dGH | 5–12 dGH |
| Adult size | 6" | 0.7" |
| Temperament | Peaceful | Peaceful |
| Min tank | 30 gal | 10 gal |
Together, plan on at least 30 gallons.
Compatible alternatives
Instead of Koi Angelfish (to keep Dwarf Emerald Rasbora (nanus)):
- Gold Gourami — 6", semi-aggressive
- Brilliant Rasbora — 4", peaceful
- Clown Rasbora — 4", peaceful
Instead of Dwarf Emerald Rasbora (nanus) (to keep Koi Angelfish):
- Croaking Gourami — 3", peaceful
- Brilliant Rasbora — 4", peaceful
- Clown Rasbora — 4", peaceful
Design the whole tank, not just the stocking
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Design a tank with Koi Angelfish, Dwarf Emerald Rasbora (nanus) →Everything compatible with Koi Angelfish · …with Dwarf Emerald Rasbora (nanus)