Ornate Pencilfish Rubrocaudatus Wild Caught – Nannostomus rubrocaudatus

The wild-caught ornamental tetra Nannostomus rubrocaudatus is a particularly elegant and rare dwarf tetra from South America. Characteristic features include its slender body shape, fine dark longitudinal lines, and intensely red-colored tail fin, which gives this extraordinary fish its name.

In natural-style blackwater and planted aquariums, this peaceful wild-caught fish exhibits calm and fascinating schooling behavior. Especially in larger groups, the red accents and delicate appearance are exceptionally harmonious and elegant.

🌿 Characteristics & Care:

🐠 Size: approx. 2.5–3.5 cm (on delivery), adult size up to approx. 4–4.5 cm
🌎 Origin: South America – Wild-caught
🌡️ Temperature: 24–28 °C
💧 pH value: 4.5–7.0
⚖️ Total hardness: 1–8 °dGH
🐟 Social behavior: Peaceful schooling fish, keeping in groups of 10 or more is recommended
🌾 Aquarium: From 60 liters, with dense planting, roots, and subdued lighting

🍽️ Feeding:
The Rubrocaudatus ornamental tetra readily accepts fine frozen food, Artemia nauplii, cyclops, as well as high-quality micro granules and powdered food. A varied diet supports vitality and color intensity.

💡 Tip:
Humic substances, dark substrate, and dim lighting intensify the red color accents and promote the natural behavior of these sensitive wild-caught fish.