Golden Pencilfish – Nannostomus beckfordi
The Golden Pencilfish (Nannostomus beckfordi) is a graceful freshwater schooling fish known for its slim pencil-like body, golden sheen, red accents, and peaceful behavior. This elegant species adds gentle movement and natural color to planted aquariums, nano tanks, and peaceful community setups.
Golden Pencilfish do best in groups, where they feel more secure and show their best color and activity. Their gold and red tones stand out beautifully under aquarium lighting, especially in aquascapes with live plants, driftwood, darker substrate, and calm tankmates.
Key Features
- Golden body with red accents and a dark lateral stripe
- Peaceful freshwater schooling fish
- Great for planted aquariums and natural aquascapes
- Calm top to upper-middle swimming behavior
- Good choice for nano and community aquariums
- Best kept in groups of 6 or more
Care Guide
- Scientific Name: Nannostomus beckfordi
- Common Name: Golden Pencilfish
- Origin: South America
- Care Level: Easy to moderate
- Temperament: Peaceful
- Adult Size: Up to approximately 2 inches
- Minimum Tank Size: 10–20 gallons or larger recommended
- Tank Level: Top to upper-middle
- Water Temperature: 74–82°F
- pH Range: 6.0–7.5
- Diet: Omnivore
Why Choose Golden Pencilfish?
Golden Pencilfish are a beautiful option for aquarists who want a peaceful schooling fish with subtle color and refined movement. Their slender body shape and golden shimmer create a natural, elegant look that works especially well in planted tanks and blackwater-style aquariums.
They are active without being aggressive and are best kept with other calm community fish. A group of 6 or more helps reduce stress and encourages natural social behavior.
Ideal Tank Setup
Golden Pencilfish thrive in a stable, fully cycled aquarium with gentle water flow, live plants, and areas of cover. Floating plants, driftwood, leaf litter, darker substrate, and shaded areas can help them feel secure while enhancing their gold and red coloration.
Because they often use the upper levels of the aquarium, a secure lid is recommended. Keep water clean and stable with regular maintenance and avoid aggressive or overly active tankmates that may outcompete them for food.
Compatible Tankmates
- Small peaceful tetras
- Rasboras
- Other peaceful pencilfish
- Corydoras catfish
- Otocinclus
- Small peaceful gouramis with caution
- Shrimp with proper cover
- Snails
Diet & Feeding
Golden Pencilfish are omnivores with small mouths and should be offered small, appropriately sized foods. Feed quality micro pellets, fine flakes, crushed flakes, frozen baby brine shrimp, daphnia, cyclops, and other small frozen or live foods when available.
A varied diet helps support healthy color, activity, and overall condition. Feed small portions that the group can consume quickly.
Care Tips
- Keep in groups of 6 or more
- Provide live plants, floating plants, and gentle cover
- Use peaceful tankmates that will not outcompete them
- Maintain clean, stable aquarium water
- Use darker substrate or backgrounds to enhance color
- Use a secure lid since top-dwelling fish may jump
Frequently Asked Questions
How many Golden Pencilfish should I keep together?
A group of at least 6 or more is recommended to help them feel secure and show their best color and behavior.
Are Golden Pencilfish peaceful?
Yes. Golden Pencilfish are peaceful schooling fish that do well with calm freshwater community tankmates.
Can Golden Pencilfish live with shrimp or snails?
Yes. They can live with shrimp and snails in planted aquariums with proper cover, although very tiny baby shrimp may be eaten by many fish.
Are Golden Pencilfish good for planted tanks?
Yes. They are excellent for planted aquariums and natural aquascapes with gentle flow, live plants, and darker backgrounds.
What enhances their color?
Stable water, quality foods, dimmer lighting, darker substrate, and live plants can help bring out their gold and red tones.
What do Golden Pencilfish eat?
They eat micro pellets, fine flakes, frozen baby brine shrimp, daphnia, cyclops, and other small foods.
Are these fish available for shipping?
No. Live fish are available for in-store purchase or local pickup only at Tropical Treasures Wyo in Cheyenne, Wyoming.
Available at Tropical Treasures Wyo
Golden Pencilfish are peaceful freshwater schooling fish for planted aquariums, nano tanks, and calm community setups. Visit Tropical Treasures Wyo in Cheyenne, Wyoming, to shop pencilfish, nano fish, freshwater fish, shrimp, snails, live aquarium plants, fish food, filtration supplies, and aquarium care products. Live livestock is available for in-store purchase or local pickup only.
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