Can Blue Devil Damselfish Live With Diamond Goby?

Blue Devil Damselfish and Diamond Goby are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 74–82°F.

pH ✓ Compatible

Good pH overlap at 8.1–8.4.

Size ✓ Compatible

Compatible sizes (3" and 6").

Temperament ✗ Not Compatible

Blue Devil Damselfish (aggressive) is not compatible with Diamond Goby (peaceful). Aggression or stress is very likely.

Swim Level ✓ Compatible

Fish occupy different water levels (Blue Devil Damselfish: middle, Diamond Goby: bottom), reducing conflict.

Tank Requirements

Minimum tank size for this combination: 35 gallons

ParameterBlue Devil DamselfishDiamond Goby
Temperature74–82°F74–82°F
pH8–8.48.1–8.4
Max Size3"6"
TemperamentAggressivePeaceful
Swim LevelMiddleBottom
Min Tank20 gal30 gal

Check More Combinations

Use our compatibility checker to add more fish and plan your complete tank.