True Red Pencil fish (Nannostomus Mortenthaleri)

**Nannostomus mortenthaleri Care Guide: Coral Red Pencilfish**

**Tank Requirements:**
- *Tank Size:* Optimal in a minimum 10-gallon tank for a small group (6-8) of Red Arc Pencilfish.
- *Filtration:* Maintain water quality with a reliable filter, ensuring a gentle water flow.
- *Water Parameters:* Keep temperature between 72-82°F (22-28°C), pH levels at 5.5-7.5, and hardness at 2-10 dGH.
- *Substrate:* Create a natural setting with fine gravel or sand as the preferred substrate.

**Feeding:**
- *Omnivorous Diet:* Red Arc Pencilfish happily accept a variety of foods.
- *Staple Diet:* Provide a balanced diet with high-quality flakes or pellets.
- *Supplemental Foods:* Enhance their nutrition with occasional servings of small live or frozen foods like daphnia, brine shrimp, and micro worms.

Ensure the well-being of your Coral Red Pencilfish by adhering to these care tips.