Elephant Nose Tropical Fish Information

Gnathonemus petersii
Elephant Nose
Behaviour Generally peaceful, but will harrass weaker fish of the same type
Typical size 20cm
Max size 25cm
Tank Area Bottom
Min Tank Size 90cm
Temp Min: 22℃ Max: 28℃
Feeding Sinking foods, live or frozen foods
pH Range 6-8.5
Hardness vs,s,m,h
Elephant Nose Gnathonemus petersii
  • Elephant Nose Gnathonemus petersii - thumbnail

Elephant Nose (Gnathonemus petersii)

Elephant Nose Tropical Fish Learn all about the Elephant Nose's feeding habits and food types, its behaviour, its origins, its natural habitats, is it male or female, breeding advice and information, suitable tank mates, its sizing and growth range, minimum tank size, water PH and more. Use our fish community creator tool to plan your tank set up and ensure that the Elephant Nose is the right fish for your aquarium.

The Elephant Nose is often seen for sale, and purchased due to its unusual appearance and activity. This fish however, is not for beginners, and should not be purchased unless you know exactly how to keep the fish properly. An interesting feature of these fish is their possession of electroreceptors covering the head, dorsal, and ventral areas. The fish uses electrical discharges to find food, communicate with other fish of a similar type, and for breeding purposes. Elephant Nose's are also excellent hearers, and are very sensitive to noise and vibrations. The fish are naturally nocturnal, and requires dark hiding spots in the aquarium. Because of their very sensitive 'noses', it is vital that the aquarium contains only a sandy bottom, since gravel substrates will damage the fish, leading to infections. Elephantnoses are best kept as individuals or in groups of 5 or more. It is not wise to keep pairs or smaller groups, as the fish are likely to bully weaker individuals. Given the fishes demanding requirements, and because they are nocturnal, the initial 'novelty factor' will wear off, we would suggest that the fish is avoided for home aquariums. This is a species for expert fishkeepers only

This fish is excluded from the Compatibility Checker as it is unsuitable for community aquariums or may require expert care.

Elephant Nose Facts

Family Mormyridae (Elephantfishes) | Synonyms Mormyrus petersii, Gnathonemus brevicaudatus, G. histrio, G. pictus | Other names Peters Elephantnose, Long-nosed Elephant Fish | Origin Central & West Africa | Natural Water Conditions pH 6-8 Soft to medium-hard



Elephant Nose Help and Advice

If you have a question about keeping Elephant Nose's then please use our Elephant Nose help forum. Join 100's of other fish enthusiasts with 1000's of years experience between them caring for and keeping fish like these.




Check tank mates for the Elephant Nose fish species

You are in the thinkfish community creator for the Elephant Nose fish species, you can learn all about how the tool works in assessing fish tank mate compatibility at the link provided or use the tool tips provided to guide you. Create a test fish community that includes the Elephant Nose species and any other types of fish or crustacean you'd like to introduce - You can assess the best companions, tank size suitability, stocking levels based on filter type and volume and possible negative interactions and warnings as you build up your aquarium.

Please do check your water type for compatibility with your fish, which can be found on the Elephant Nose information box above and your local water company providers website. Don't waste your money and endanger your fish!
Tank Details
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