Can Blackcap Basslet Live With Jewel Damselfish?

Blackcap Basslet and Jewel 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 ✓ Compatible

Compatible sizes (4" and 6").

Temperament ✗ Not Compatible

Blackcap Basslet (peaceful) is not compatible with Jewel Damselfish (aggressive). Aggression or stress is very likely.

Swim Level ⚠ Use Caution

Both fish occupy the middle level and Blackcap Basslet is territorial. Provide plenty of space and hiding spots.

Tank Requirements

Minimum tank size for this combination: 58 gallons

ParameterBlackcap BassletJewel Damselfish
Temperature74–82°F74–82°F
pH8–8.48–8.4
Max Size4"6"
TemperamentPeacefulAggressive
Swim LevelMiddleMiddle
Min Tank30 gal55 gal

Check More Combinations

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