Description
Panda Ghost Knife Fish (Apteronotus cf. apurensis)
📌 Basic Info
Scientific Name: Apteronotus cf. apurensis
Common Names: Panda Ghost Knife, Panda Apteronotus, White-Banded Ghost Knife
Family: Apteronotidae
Order: Gymnotiformes
Origin: Orinoco and Amazon River Basins (South America)
Size: 10 – 14 inches (25 – 35 cm)
Lifespan: 8 – 12 years
Tank Zone: Bottom to mid dweller
🌊 Water Parameters
TDS: 100 – 250 ppm
pH: 6.5 – 7.5
Temperature: 25 – 28°C (77 – 82°F)
Hardness: 2 – 10 dGH
🐟 Characteristics
Body: Distinctive black-and-white “panda” pattern — dark body with broad white bands across the head and tail.
Behavior: Peaceful but shy; can be territorial with other knife fish.
Movement: Glides smoothly using its long anal fin, allowing precise forward and backward motion.
Unique Feature: Generates weak electric signals for navigation, hunting, and communication (electroreception).
Nature: Nocturnal; prefers dim or dark environments with plenty of hiding spots.
🍽️ Food
Type: Carnivorous
Diet: Bloodworms, blackworms, brine shrimp, chopped shrimp, and high-quality sinking carnivore pellets.
Feeding: Best fed during evening or low light; 1–2 small meals daily.
🛠️ Maintenance
Tank Size: Minimum 90 gallons (340 L) for an adult.
Filtration: Strong and efficient filtration system; sensitive to ammonia and nitrate buildup.
Decor: Provide driftwood, caves, PVC pipes, and smooth rocks for shelter.
Lighting: Dim lighting or shaded areas preferred.
Water Change: 25 – 30% weekly to maintain clean and stable water.
👥 Social Behavior
Minimum Group Size: Best kept singly or with large peaceful species.
Tank Mates: Silver Dollars, Angelfish, Gouramis, larger Tetras, and Corydoras.
Avoid: Aggressive fish or other knife fish species.
✅ Do’s
Provide hiding spots and low lighting.
Maintain soft, clean, and slightly acidic water.
Feed protein-rich, fresh or frozen foods.
Ensure smooth decor to prevent skin injuries.
❌ Don’ts
Don’t house with other knife fish species.
Don’t use bright lights or loud environments.
Don’t allow sudden water changes or poor filtration.
⭐ Quick Tips
The Panda Ghost Knife Fish is a rare and stunning variant admired for its black-and-white coloration and graceful movement.
Ideal for experienced aquarists who can offer a peaceful, dimly lit aquarium with stable water conditions.




