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Pencilfish (Genus Nannostomus): A Comprehensive Guide
by Bob Steenfott March 11, 2026

Pencilfish (genus Nannostomus) are elegant South American freshwater fish known for their slender bodies, peaceful nature, and unique surface-oriented behavior. This comprehensive guide explores pencilfish biology, natural habitats, and expert care tips for planted aquariums.

Posted in community fish, dwarf pencilfish, Nannostomus, Nannostomus beckfordi, Nannostomus mortenthaleri, Pencilfish, pencilfish care, schooling fish

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