Black Ghost Knifefish Care Guide
Apteronotus albifrons
Stocking Calculator
Bioload Score
18000
PeacefulAdvancedFreshwater
- Max Size
- 50.0 cm / 20.0"
- Temperature
- 24–28°C (75–82°F)
- pH Range
- 6.0 – 7.5
- Min Tank Size
- 380L (100 gal)
- Min Group Size
- Can be kept alone
- Tank Level
- Bottom
- Origin
- South America
- Temperament
- Peaceful
- Difficulty
- Advanced
- Breeding Difficulty
- Difficult
Diet
Carnivorous, they primarily feed on small fish, insects, crustaceans, and pellets designed for predatory fish.
Community Compatibility
Peaceful community fish that are not small enough to be considered prey, such as larger tetras, peaceful cichlids, or catfish. Avoid keeping them with aggressive or fin-nipping species.
Good to Know
Black Ghost Knifefish prefer aquariums with low lighting.
Gender Differences
Very difficult to tell externally.
Stock Black Ghost Knifefish in Your Tank
Use our free stocking calculator to see if Black Ghost Knifefish fits your aquarium