Freshwater
Oneline pencilfish
Nannostomus unifasciatus
Lebiasinidae, Pyrrhulininae
Facts
Characteristics
- Length
- Up to 3.8 cm
- Body shape
- Elongated
Care
- Group
- At least 6 together
- Smallest aquarium
- 24 liters
- Diet
- Missing
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Behavior
Water values
Smallest tank
Range
NativeIntroduced
Lives wild in Bolivia, Brazil, Guyana, and Venezuela.
Introduced to Trinidad & Tobago.
More about the species
Description
Feeds on worms, crustaceans and insects.
Other names
Other scientific names
- Poecilobrycon ocellatus
In other languages
- Lys skråsvømmer
- Juovakynäkala
- Diptail pencilfish, One-lined pencilfish, Pencil fish, Tail-eye pencilfish
Articles
All articles
How many fish can I keep?4 min read
Why "one cm of fish per liter" falls short, and what adult size, schools, territory and swimming zones mean for how many fish a tank can hold.
How to set up a South American aquarium4 min read
Soft, acidic water, subdued light, sand, roots and fallen leaves: how to set up a biotope aquarium from the Amazon and the rivers around it.
How to add new fish4 min read
From the store to the tank: how to get the fish used to your water, why you should add only a few at a time, and what to watch for in the first few days.
Quarantine for new fish3 min read
Why new fish should live in a tank of their own for a few weeks before they move in, what you need, and what to look for.