MormyridaeFreshwater Fishintermediate
Gnathonemus petersii 'Elephant Nose Fish'
Gnathonemus petersii
Origin: West and Central Africa
G
Water Parameters
Temperature22–28 °C
15 °C35 °C
pH6–7
49
GH (Hardness)2–12 °dGH
0 °dGH30 °dGH
KH (Alkalinity)1–6 °dKH
0 °dKH20 °dKH
Quick Stats
- Max Size
- 25 cm
- Min Tank
- 150 L
- Lifespan
- 10+
- Swimming Level
- bottom
- Schooling
- No
- Diet
- carnivore
- Temperament
- peaceful; territorial toward conspecifics
About
Gnathonemus petersii, the Elephant Nose Fish or Peter's Elephantnose, has a remarkable elongated lower jaw extension used for electrolocation — finding food and communicating. One of the most unusual and intelligent freshwater fish. Nocturnal and sensitive.
Care Guide
Soft, slightly acidic water. Temperature 22–28°C, pH 6.0–7.0. Sandy substrate. Nocturnal — provide caves. Very intelligent — recognises keeper. Avoid housing with fin-nippers or aggressive species. Feed frozen bloodworm and Mysis.
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