The Black Ghost Knife Fish (Apteronotus albifrons) is one of the most fascinating freshwater aquarium fish, admired for its jet-black body, ghost-like movement, and unique electric sensing ability. Elegant and intelligent, this species is perfect for aquarists who want a truly distinctive centerpiece fish.
Why Choose Black Ghost Knife Fish?
✔ Unique ghost-like swimming style
✔ Intelligent and interactive behavior
✔ Striking black coloration
✔ Excellent centerpiece fish
✔ Long lifespan with proper care
This fish adds mystery, elegance, and movement to large display aquariums.
Appearance & Size
- Juvenile Size: 6–10 cm
- Adult Size: Up to 45–50 cm
- Coloration: Deep black body with white bands on tail and nose
- Body Shape: Long, blade-like body without visible dorsal fin
- Movement: Glides forward and backward gracefully
Swimming Level: Bottom to mid-level
Feeding Requirements
Black Ghost Knife Fish are carnivorous and nocturnal feeders:
- Live or frozen bloodworms
- Tubifex worms
- Brine shrimp
- Small prawns
- Sinking carnivore pellets (with training)
Feed after lights off for best feeding response.