Red Pencil Fish

The Red Pencilfish is a slender, elegant freshwater species known for its warm reddish tones and horizontal striping. Native to the slow-moving blackwater streams of South America, Red Pencilfish are peaceful and add a graceful, natural look to planted and biotope aquariums.

The Red Pencilfish is a slender, elegant freshwater species known for its warm reddish tones and horizontal striping. Native to the slow-moving blackwater streams of South America, Red Pencilfish are peaceful and add a graceful, natural look to planted and biotope aquariums. Water Parameters: Temperature: 24–28°C pH: 5.5–7.5 TDS: 80–200 ppm Water Type: Soft to moderately soft, slightly acidic preferred Filtration: Gentle flow with stable conditions Water Changes: 20–25% weekly Care & Maintenance: Red Pencilfish are hardy but thrive best in well-maintained aquariums with subdued lighting, floating plants, and driftwood. They prefer calm environments and are often seen swimming in mid to upper levels of the tank. Keeping them in groups of at least 6–8 encourages natural behavior and reduces shyness. Provide a varied diet including high-quality flakes, micro pellets, and occasional live or frozen foods to maintain their color and vitality. Compatibility: These fish are peaceful and ideal for community aquariums with other non-aggressive species. Suitable tank mates include small tetras, rasboras, dwarf cichlids, and gentle bottom dwellers. Avoid fin-nippers or highly active/aggressive fish, as Red Pencilfish are calm and can be easily stressed. With proper care and a tranquil setup, Red Pencilfish display beautiful coloration and smooth, coordinated swimming—making them a refined addition to any freshwater aquarium.