Elephantnose Fish (Gnathonemus petersii)

Fish in the family Mormyridae. Hard care. Freshwater.

Elephantnose Fish

Quick facts

Scientific nameGnathonemus petersii
FamilyMormyridae
Also known asPeters' Elephantnose, Elephant Nose
Care levelHard
Reef safetyFreshwater
TemperamentSemi-aggressive
DietCarnivore
Adult size9 in
Minimum tank size55 gallons
Water parametersTemp 75-82°F, pH 6.0-7.2, GH 3-12 dGH

Appearance

Dark brown body with a trunk-like extension of the lower jaw (the Schnauzenorgan) used to probe substrate, plus two pale chevron markings near the tail.

Difficulty and care for the Elephantnose Fish

Hard

Origin and habitat

West and Central Africa (Congo, Niger)

Keeper notes

Peaceful toward other species but highly territorial and aggressive toward conspecifics and other weakly-electric fish; keep singly or in a large group of five or more, never in pairs. Uses a weak electric field to navigate.

Log Elephantnose Fish in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Elephantnose Fish alongside everything else in your reef.