Can Engineer Goby Live With Yellowtail Damselfish?
Engineer Goby and Yellowtail Damselfish 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
✗ Not Compatible
Extreme size difference. Engineer Goby (13") may eat or bully Yellowtail Damselfish (2.5").
Temperament
⚠ Use Caution
Engineer Goby (peaceful) may have issues with Yellowtail Damselfish (semi-aggressive). Monitor closely if attempting.
Swim Level
✓ Compatible
Fish occupy different water levels (Engineer Goby: bottom, Yellowtail Damselfish: middle), reducing conflict.
Important Notes
- Engineer Goby is a schooling fish and needs at least 3 of its kind.
Tank Requirements
Minimum tank size for this combination: 65 gallons
| Parameter | Engineer Goby | Yellowtail Damselfish |
|---|---|---|
| Temperature | 74–82°F | 74–82°F |
| pH | 8–8.4 | 8–8.4 |
| Max Size | 13" | 2.5" |
| Temperament | Peaceful | Semi-aggressive |
| Swim Level | Bottom | Middle |
| Min Tank | 55 gal | 20 gal |
Check More Combinations
Use our compatibility checker to add more fish and plan your complete tank.