Black Ghost Knifefish

Apteronotus albifrons

Minimum Tank Size

100–125+ gal

Temperature

75–82°F

PH

6.0–8.0

Adult Size

16–20 in

Temperament 

Generally peaceful but predatory; territorial with similar electric fish

Care Difficulty

Advanced

Diet & Feeding

Carnivorous; sinking/frozen meaty foods, with training often needed for prepared foods.

Care Instructions

Provide a large dim aquarium, secure hiding tubes/caves and tank mates too large to eat.

Flow & Filtration

Strong filtration with moderate flow and excellent water quality.

Planted Tank Suitability

Good if caves/tubes and open swimming areas are provided.

Tank Mate Compatibility

Good Tank Mates
  • Silver Dollar
  • Large Peaceful Catfish
  • Large Peaceful Fish

Use Caution 
  • Large Cichlids

Avoid
  • Small Tetras
  • Shrimp
  • Other Knifefish

Compatibility Notes

Small fish may be eaten; avoid aggressive fish that prevent this shy nocturnal species from feeding.

Breeding Notes

Home breeding is uncommon.