Dwarf Pencilfish (Nannostomus marginatus)

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Dwarf Pencilfish

Dwarf Pencilfish

Nannostomus marginatus

57 Litres (15 US G.)

3.2-4.4cm (1.25-1.75 ")




6.8 - 7.5

24 -26 °C (75.2-78.8°F)

10-15 °d

1:2 M:F

Pellet Foods
Flake Foods
Live Foods

1-5 years



Additional names

Dwarf Pencilfish

Additional scientific names

Nannostomus marginatus picturatus

Sexing[edit | edit source]

Adult males are slimmer and may show more red in their fins than the females. These fish are difficult to breed in captivity.

Tank compatibility[edit | edit source]

Would do well in a pygmy community tank, but do not keep with fish that could swallow this little fish! Would do well with small Tetras, Rasboras and dwarf Corydoras. Not strictly a shoaling fish, but keep in groups of 3-4 or more.

Diet[edit | edit source]

Omnivores, will take most small foods including crushed flakes or pellets, and small live foods such as daphnia and brine shrimp.

Feeding regime[edit | edit source]

Feed once or twice a day.

Environment specifics[edit | edit source]

Prefers a well planted mature tank with good filtration, but not a strong current. They do not appreciate very bright lighting so floating plants are desirable.

Behaviour[edit | edit source]

Doesn't need to be shoals, but prefers company of 3 or more. A peaceful mid-swimming fish.

Identification[edit | edit source]

This fish has two bold horizontal black lines with two white lines accompanying. Red and some yellow on the fins with hints through the body.

Pictures[edit | edit source]

Videos[edit | edit source]

External links[edit | edit source]