Can Blue Devil Damselfish Live With Starry Blenny?
Blue Devil Damselfish and Starry Blenny are NOT compatible tank mates.
Detailed Analysis
Temperature
✓ Compatible
Good temperature overlap at 74–82°F.
pH
✓ Compatible
Good pH overlap at 8.0–8.4.
Size
✓ Compatible
Compatible sizes (3" and 5").
Temperament
✗ Not Compatible
Blue Devil Damselfish (aggressive) is not compatible with Starry Blenny (peaceful). Aggression or stress is very likely.
Swim Level
✓ Compatible
Fish occupy different water levels (Blue Devil Damselfish: middle, Starry Blenny: bottom), reducing conflict.
Tank Requirements
Minimum tank size for this combination: 35 gallons
| Parameter | Blue Devil Damselfish | Starry Blenny |
|---|---|---|
| Temperature | 74–82°F | 74–82°F |
| pH | 8–8.4 | 8–8.4 |
| Max Size | 3" | 5" |
| Temperament | Aggressive | Peaceful |
| Swim Level | Middle | Bottom |
| Min Tank | 20 gal | 30 gal |
Check More Combinations
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