Can Beckford's Pencilfish Live With Severum?

Beckford's Pencilfish and Severum are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–82°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.5.

Size ✗ Not Compatible

Extreme size difference. Severum (8") may eat or bully Beckford's Pencilfish (1.5").

Temperament ⚠ Use Caution

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

Swim Level ✓ Compatible

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

Important Notes

  • Beckford's Pencilfish is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 55 gallons

ParameterBeckford's PencilfishSeverum
Temperature72–82°F75–84°F
pH5.5–7.56–7.5
Max Size1.5"8"
TemperamentPeacefulSemi-aggressive
Swim LevelTopMiddle
Min Tank10 gal55 gal

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