One-lined Pencilfish
Nannostomus unifasciatus
Neptune’s rating:
63- AffordabilityModerate
- Aggression LevelMostly Peaceful
- Breeding AggressionSlightly More Aggressive
- DifficultyModerate
- HardinessModerate
- Length3.0 - 5.0 cm
- Liters per Fish4 L
- Maintenance LevelModerate Maintenance
- pH6.0 - 7.5
- PopularityPopular
- RarityUncommon
- Minimum School Size8
- Tank HabitatSurface Dweller, Mid-tank Dweller, Bottom Dweller
- Temperature23.0 - 28.0 °C
- Territorial BehaviourMildly Territorial
Please note: These values are based on the average of various confirmed sources.
More about One-lined Pencilfish
The One-lined Pencilfish, a diminutive and elegantly marked freshwater species, is known for its slender body and distinctive single horizontal line running from head to tail. Predominantly found in the Amazon Basin, this fish exhibits a subtle interplay of colors, blending golden hues with more muted, earthy tones. Despite its captivating appearance and peaceful nature, it remains relatively under the radar in the aquarium hobby, often overshadowed by more vibrant or larger counterparts. Its subdued beauty and specific care requirements contribute to its niche appeal among dedicated aquarists.