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Three-lined Pencilfish
Nannostomus trifasciatus
Family: Lebiasinidae
📍 Amazon & Orinoco, South America
Elegant pencilfish with three distinct horizontal stripes and vivid red markings on the fins. Peaceful and slow-moving — ideal for low-flow planted tanks. Best in groups of 8+.
Keeping this species
- pH
- 5.5–7.0
- diet
- omnivore/micro food
- maxSize
- 1.5 inches
- minTankSize
- 15 gallons
- temperature
- 75–82°F (24–28°C)
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Temperature
75–82°F
24–28°C
Natural Habitat Temperature
77°F — 81°F seasonal range · (Jan low, Mar high)