Can Coral Red Pencilfish Live With Giant Danio?
Coral Red Pencilfish and Giant Danio CAN coexist, but with some risks. Careful setup and monitoring required.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 75–80°F.
pH
✓ Compatible
Good pH overlap at 6.0–7.0.
Size
⚠ Use Caution
Significant size difference (4" vs 1.2"). Giant Danio may bully or stress Coral Red Pencilfish.
Temperament
⚠ Use Caution
Coral Red Pencilfish (peaceful) may have issues with Giant Danio (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Coral Red Pencilfish: middle, Giant Danio: top), reducing conflict.
Important Notes
- Coral Red Pencilfish is a schooling fish and needs at least 6 of its kind.
- Giant Danio is a schooling fish and needs at least 5 of its kind.
Tank Requirements
Minimum tank size for this combination: 30 gallons
| Parameter | Coral Red Pencilfish | Giant Danio |
|---|---|---|
| Temperature | 75–82°F | 72–80°F |
| pH | 4.5–7 | 6–8 |
| Max Size | 1.2" | 4" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Middle | Top |
| Min Tank | 10 gal | 30 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.