Can Golden Pencilfish Live With Severum?

Golden Pencilfish and Severum are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–81°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.0.

Size ✗ Not Compatible

Extreme size difference. Severum (8") may eat or bully Golden Pencilfish (1.2").

Temperament ⚠ Use Caution

Golden Pencilfish (peaceful) may have issues with Severum (semi-aggressive). Monitor closely if attempting.

Swim Level ✓ Compatible

Fish occupy different water levels (Golden Pencilfish: top, Severum: middle), reducing conflict.

Important Notes

  • Golden Pencilfish is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 55 gallons

ParameterGolden PencilfishSeverum
Temperature73–81°F75–84°F
pH5.5–76–7.5
Max Size1.2"8"
TemperamentPeacefulSemi-aggressive
Swim LevelTopMiddle
Min Tank10 gal55 gal

Check More Combinations

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