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Three-Lined Pencilfish: A Comprehensive Care Guide (Nannostomus trifasciatus)
by Bob Steenfott March 11, 2026

Three-Lined Pencilfish (Nannostomus trifasciatus) are peaceful freshwater fish known for their slender bodies and distinctive horizontal striping. Learn about Three-Lined Pencilfish care, tank size, diet, water parameters, and compatible tank mates.

Posted in freshwater aquarium fish, nannostomus trifasciatus, nano aquarium fish, pencilfish care, three lined pencilfish

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