
Tetras and Characids
Dwarf Pencilfish
Nannostomus marginatus
Photo: Fanch from Paris, France · CC BY 2.0 · Wikimedia Commons
Key facts
- Temperature24–28 °C
- pH5–7
- Minimum tank40 l
- Adult size3.5 cm
- Difficulty★★☆☆☆
- Lives in a groupof 6 or more
- TemperamentPeaceful
- WaterFresh
Full profile
- Family
- Lebiasinidae
- Origin
- Guianas and the Lower Amazon
- Size
- 3.5 cm
- Temperature
- 24 – 28°C
- pH
- 5.0 – 7.0
- GH
- 1 – 10 °dGH
- Difficulty
- ★★☆☆☆
- Water type
- tropical freshwater
- Swimming level
- medium
- Behavior
- Pacific
- Minimum number of individuals
- 6
- Minimum aquarium size
- 40 L
- Diet
- omnivore (fine food)
- Reproduction
- oviparous
Notes: The smallest pencilfish, with black and gold stripes and red spots on its fins. Perfect for planted nano tanks.





