Golden Pencilfish L – Nannostomus beckfordi “Gold”

Golden Pencilfish L is a beautiful color variant of Nannostomus beckfordi, admired for its warm golden body, subtle horizontal stripe, and elegant swimming style. Native to South American freshwater habitats, this species is a favorite among aquarists who appreciate natural-looking fish with gentle behavior.

The “L” size refers to larger, near-adult specimens, which display more developed coloration and a fuller body shape. Under proper lighting, their golden sheen becomes more pronounced, creating a soft glow that enhances planted aquariums.

Like other pencilfish, Golden Pencilfish are known for their slightly angled swimming posture, often gliding gracefully near the upper and mid-water levels. Their calm temperament and subtle beauty make them ideal for planted tanks, aquascapes, and peaceful community setups.

Key Features

• Variant of Pencilfish (Nannostomus beckfordi)

• Shimmering golden body coloration

• Subtle horizontal stripe

• “L” size – larger, well-developed fish

• Unique angled swimming behavior

• Peaceful and community friendly

Size

• Adult size: 4 – 5 cm

• “L” specimens are close to full adult size

• Slim, elongated body

Temperament

Golden Pencilfish L is peaceful with mild social interaction.

• Best kept in groups of 6–10 or more

• Males may show light territorial displays

• Calm mid to upper water swimmer

• Suitable for peaceful community tanks

Water Conditions

Stable water conditions help maintain coloration.

• Temperature: 24 – 28°C (75 – 82°F)

• pH: 5.5 – 7.5

• GH: 2 – 10 dGH

• Ammonia/Nitrite: 0 ppm

• Nitrate: < 20 ppm

Perform 20–30% weekly water changes.

Tank Setup

Golden Pencilfish thrive in planted aquariums.

Recommended setup includes:

• Dense plants along edges and background

• Floating plants for cover

• Open swimming space

• Driftwood and natural décor

• Gentle water flow

Minimum tank size: 60 liters (~15 gallons).

Feeding Habits

Golden Pencilfish L are omnivores.

Diet can include:

• Micro pellets or flakes

• Frozen foods (daphnia, brine shrimp)

• Live foods for better coloration

Feed 1–2 times daily.

Tank Mates

Ideal for peaceful community aquariums.

Suitable tank mates:

• Small tetras

• Rasboras

• Corydoras

• Dwarf cichlids

• Shrimp (with caution)

Tank mates to avoid:

• Aggressive fish

• Fin-nippers

Care and Maintenance

To keep Golden Pencilfish L healthy:

• Keep in groups for natural behavior

• Maintain stable water parameters

• Provide planted environment with cover

• Perform regular water changes

• Feed a balanced diet

With proper care, they can live 4–5 years.

Why Choose Golden Pencilfish L?

• Elegant golden coloration

• Unique angled swimming style

• Peaceful and easy to keep

• Ideal for planted aquariums

• Adds subtle shimmer and movement

Golden Pencilfish L is a graceful and calming species that brings warm golden tones, gentle movement, and natural elegance to aquariums. Its peaceful nature and refined appearance make it a perfect addition to planted and community tanks. 🐟🌿✨