Description
Elephant Nose Fish (Gnathonemus petersii)
📌 Basic Info
Scientific Name: Gnathonemus petersii
Common Names: Elephant Nose Fish, Peters’ Elephantnose, Elephant Trunk Fish
Family: Mormyridae
Order: Osteoglossiformes
Origin: Central & West Africa — Niger River, Chad Basin, Ogun River
Size: 20 – 25 cm (8 – 10 inches)
Lifespan: 6 – 10 years
Tank Zone: Bottom to mid-level
🌊 Water Parameters
Temperature: 24 – 28°C
pH: 6.2 – 7.2
Hardness: Soft water preferred
TDS: 80 – 150 ppm
🐟 Characteristics
Body Shape: Long, slender body with a distinctive trunk-like snout (electro-sensory organ).
Coloration: Deep brown to blackish body with light vertical stripes along the sides.
Special Organ: Uses weak electrical signals for navigation and locating food—very sensitive and intelligent.
Behavior: Shy, peaceful, prefers dim lighting; becomes active at night.
Special Feature: The “elephant nose” is highly sensitive and helps detect prey hidden in the substrate.
🍽️ Diet
Type: Carnivorous
Preferred Foods: Bloodworms, tubifex, blackworms, brine shrimp, small insects; may accept soft sinking pellets.
Feeding Frequency: 1–2 times daily
Tip: Provide live or frozen foods for best health and to encourage natural hunting behavior.
🛠️ Tank Setup & Maintenance
Tank Size: Minimum 200 liters (4 ft tank)
Substrate: Soft sand to protect its sensitive snout
Filtration: Gentle flow with strong biological filtration
Decor: Driftwood, caves, PVC tubes, live plants, dim lighting
Lighting: Low or subdued
Water Change: 25–30% weekly; keep water stable and clean
👥 Social Behavior
Nature: Peaceful but territorial with its own species
Tank Mates: Tetras, Corydoras, peaceful Gouramis, Rainbowfish, Angelfish
Avoid: Aggressive fish, fin-nippers, or bottom-diggers
Compatibility: Best kept single unless tank is very large
Breeding: Extremely rare in home aquariums
✅ Do’s
• Keep in soft, clean, dimly lit water
• Use sand substrate
• Offer live/frozen foods
• Provide hiding places
❌ Don’ts
• Don’t keep with aggressive species
• Don’t use sharp gravel
• Don’t expose to bright light
• Don’t mix multiple Elephant Nose Fish in small tanks
⭐ Quick Tip
The Elephant Nose Fish is a unique electro-sensory species admired for its intelligence and unusual trunk-like snout. With proper care, soft substrate, and peaceful tank mates, it becomes a fascinating centerpiece for advanced aquariums.
