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Main Index > Fish Stats > The Characins (Tetras) > Nannostomus marginatus
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Nannostomus marginatus


Family: Lebiasinidae
Species: Nannostomus marginatus
Common Name: Dwarf Pencilfish.
Size: Up to 1.4 in (3.5 cm)
Habitat: South America: Lower to middle Amazon River.
Min Tank Size: 10 Gallons for a singles species tank with a nice school.
Diet: Omnivorous: Will accept many small foods such as brine shrimp or daphnia, freeze-dried bloodworms and tubifex, micro pellet food, and a high quality flake food.
Behavior: Peaceful schooler.
Water: Water Chemistry not overly critical, 75 -82°F (24 28°C) pH 5.8-7.5 dH range: 2 - 15
Care: Open spaces, many plants, driftwood and with plants subduing the lighting.
Communities: Due to their shy nature and water requirements they are best in a species tank. They would be OK with other small fish that will not out compete them for food.
Suitability: Intermediate. color tends to fade in the aquarium if conditions are not ideal.

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