
Least pencilfish
Nannostomus minimus
The Least pencilfish (Nannostomus minimus) is a tropical freshwater fish of the family Lebiasinidae. It swims in midwater, close to the bottom. It grows to 2.3 cm (standard length, tail fin excluded). The IUCN Red List rates it Least Concern. In the aquarium it is kept at 22–28 °C.
- Size
- 2.3 cmstandard length, tail fin excluded
- Temperature
- 22–28 °C
- pH
- 4.0–6.5
- Tank footprint
- 45 × 30 cm
In the aquarium
Temperature22–28 °C
pH4.0–6.5
Hardness1–5 °dGH
In the wild
- Water type
- Freshwater
- Climate zone
- Tropical
- Habitat
- Midwater, close to the bottom
Conservation status
Classification
- OrderCharaciformes
- FamilyLebiasinidae
- GenusNannostomus
- SpeciesNannostomus minimus
Quick answers
- Least pencilfish size: how big does it get?
- It grows to 2.3 cm (standard length, tail fin excluded).
- Least pencilfish tank size: what is the minimum?
- A tank with a footprint of at least 45 × 30 cm.
- Least pencilfish water parameters: what does it need?
- Temperature 22–28 °C, pH 4.0–6.5, hardness 1–5 °dGH.
- Least pencilfish: is it endangered?
- The IUCN Red List rates it Least Concern.
Related species
Sources
The figures on this page are compiled from the references below.








