Species profile
Elephant Nose Fish
Gnathonemus petersiiElephant Nose Fish (Gnathonemus petersii) is a solo centerpiece fish for a cycled 75+ gallon freshwater aquarium. Plan for about 9 inches as an adult, 75-82°F water, pH 6-7.5, and advanced care. Keep only one per tank, and choose tankmates with matching water needs and low aggression.
Community leaningAdvanced care
75 galMinimum tank
9 inAdult size
1Schooling minimum
75-82°FTemperature
Water Range
- pH
- 6-7.5
- GH
- 2-12 dGH
- KH
- 1-8 dKH
Behavior
- Temperament
- Peaceful
- Fin nipping
- 0/5
- Territory
- 1/5
Diet and Care
- Diet
- carnivore/insectivore
- Diet difficulty
- 5/5
- Care difficulty
- 5/5
Planning Notes
Sensitive specialist that needs stable clean water, subdued conditions, and reliable meaty foods.
This species may need live, frozen, fresh, or otherwise specialized foods.
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These matches are starting points with overlapping water ranges and lower behavior risk. Always check the full stocking plan, tank size, and group counts before buying.
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