fish-tank › fish species
Black Ghost Knifefish (Apteronotus albifrons)
Reaches 20in — needs 6ft+ tank, dim lighting, slow current. Electrosensitive: don't pair with electric eels.
Specifications
- ecosystem
- freshwater
- min tank gallons
- 125
- adult size in
- 20
- temperature range f
- 73-82
- ph range
- 6.0-7.5
- gh range dgh
- 5-15
- care difficulty
- intermediate
- aggression
- semi_aggressive
- community compatible
- no
- schooling min count
- 1
- diet
- carnivore
- lifespan years
- 10-15
- tank zone
- mid
Sources
- Aquarium Co-Op video / blog content · ingest 2026-05-06
- Practical Fishkeeping public articles · ingest 2026-05-06