Three-Lined Pencilfish (Nannostomus trifasciatus)
Fish in the family Lebiasinidae. Moderate care. Freshwater.
Quick facts
Scientific nameNannostomus trifasciatus
FamilyLebiasinidae
Also known asThreeline Pencilfish, Three Striped Pencilfish
Care levelModerate
Reef safetyFreshwater
TemperamentPeaceful
Dietomnivore
Adult size2.4 in
Minimum tank size20 gallons
Water parametersTemp 73-82°F, pH 5.0-7.0, GH 1-8 dGH
Appearance
Slender body with three dark horizontal lines and bright red spots in the dorsal, anal, and tail fins.
Difficulty and care for the Three-Lined Pencilfish
Moderate
Origin and habitat
South America (Amazon and Rio Negro basins)
Keeper notes
Peaceful; males display vividly to one another but are not harmful.
Log Three-Lined Pencilfish in your reef tank
Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Three-Lined Pencilfish alongside everything else in your reef.
