
Whiteside Pencilfish
NameWhiteside Pencilfish
Scientific NameNannostomus marginatus
Common NamesWhiteside Pencilfish, Dwarf Pencilfish, Banded Pencilfish
FamilyLebiasinidae
OriginSouth America, Amazon Basin, Guyana, Suriname
Temperamentpeaceful
Dietomnivore
Care Levelbeginner
Minimum Tank Size (Gallons)10
Max Size (Inches)1.5
Water TypeFreshwater
Temperature Range (°F)72-82
pH Range5.5-7.5
Compatible SpeciesEmber Tetra, Chili Rasbora, Pygmy Corydoras, Otocinclus Catfish, Celestial Pearl Danio, Dwarf Gourami
Description
The Whiteside Pencilfish is a small, peaceful freshwater fish characterized by its prominent horizontal black stripe. Ideal for planted nano or community aquariums, it exhibits interesting schooling behaviors. This species thrives in soft, acidic water and benefits from ample hiding spots.





