Can Koi Angelfish live with Pygmy Cory?
Not recommended
Why
- Koi Angelfish’s mouth is big enough to swallow Pygmy Cory (only 1" long) — it will be eaten.
- Only a narrow temperature overlap — keep both around 78–79°F.
Side-by-side
| Koi Angelfish | Pygmy Cory | |
|---|---|---|
| Temperature | 78–84°F | 72–79°F |
| pH | 6–7.5 | 6–7.5 |
| Hardness (GH) | 3–12 dGH | 2–12 dGH |
| Adult size | 6" | 1" |
| Temperament | Peaceful | Peaceful |
| Min tank | 30 gal | 10 gal |
Together, plan on at least 30 gallons.
Compatible alternatives
Instead of Koi Angelfish (to keep Pygmy Cory):
- Brilliant Rasbora — 4", peaceful
- Clown Rasbora — 4", peaceful
- Croaking Gourami — 3", peaceful
Instead of Pygmy Cory (to keep Koi Angelfish):
- Sparkling Gourami — 1.5", peaceful buy at The Shrimp Farm · The Shrimp Farm live-arrival guarantee
- Licorice Gourami — 1.4", peaceful
- Betta (Siamese Fighting Fish) — 2.5", semi-aggressive
Design the whole tank, not just the stocking
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Design a tank with Koi Angelfish, Pygmy Cory →Everything compatible with Koi Angelfish · …with Pygmy Cory