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PisciDex Species Profile
Peter's Elephantnose Fish
Sensitive weakly electric mormyrid that needs subdued lighting, soft sand, peaceful feeding conditions, and excellent water stability.
Gnathonemus petersii
Mormyridae | Africa | West and Central African river systems
Core Requirements
Tank Size
55 gallons minimum
Adult Size
9 inches
Group Size
Solo
Bioload
3/10
Water Parameters
Temperature
73-82 F
pH
6.8-7.2
Plant Safe
Yes
Invert Safe
No
Data Confidence
Unknown
Behavior & Husbandry
Temperament
Semi-Aggressive
Aggression
4/10
Diet
Carnivore
Difficulty
Advanced
Lifespan
8 years
Breeding
Advanced
Schooling
No
Compatibility Tags
Semi AggressiveSolitaryBottom DwellerPlant SafeSand Preferred
Species Compatibility
Database-driven compatibility notes for planning community aquariums.