Elegant Pencilfish (Nannostomus limatus)
For the safety of our animals, we now ship live fish exclusively via UPS Next Day Air. If your order contains this item, you will only see UPS Next Day Air as a shipping option during checkout.
The Elegant Pencilfish (Nannostomus limatus) is a rare and graceful species, known for its slender body, metallic sheen, and peaceful demeanor. Native to the blackwater streams of Brazil, this species is only sporadically available in the aquarium trade and is prized by advanced hobbyists and biotope keepers. These wild-collected specimens display the natural beauty and subtle coloration that make this fish a true connoisseur’s choice.
What We Love About This Fish:
- Graceful and slender build
Product Specifications:
| Species | Nannostomus limatus |
|---|---|
| Origin | Blackwater streams of Brazil |
| Size (adult) | 2.5 to 3.5 inches |
| Temperament | Peaceful |
| Water Type | Soft, slightly acidic (pH 5.5–6.5) |
| Compatibility | Best with similarly sized, non-aggressive fish |
FAQ
What is the ideal water condition for the Elegant Pencilfish?
The Elegant Pencilfish thrives in soft, slightly acidic water with a pH between 5.5 and 6.5. It is best kept in a well-maintained aquarium with stable water parameters and a blackwater environment to mimic its natural habitat.
How long does it take for the fish to adjust to a new tank?
It typically takes 1 to 2 weeks for the Elegant Pencilfish to acclimate to a new tank environment. Providing a stable temperature, proper filtration, and hiding places helps with a smoother transition.
Are these fish suitable for beginners?
No, the Elegant Pencilfish is best suited for experienced aquarium hobbyists who understand biotope setups and maintain stable water conditions. It requires specific water parameters and careful tank management.




Anne Burgess –
Received the Elegant Pencilfish in excellent condition. The fish is active and shows natural coloration. I’ve been maintaining a blackwater setup for a few weeks now and it’s a perfect fit. Very satisfied with the quality and the care taken in shipping.
Grace Welch –
The fish arrived quickly and looked healthy. It’s a beautiful addition to my tank. I noticed it’s very peaceful and doesn’t chase other fish. I’m a bit new to keeping pencilfish, but the instructions were clear and helpful.
Lillian Manning –
This is one of the most visually striking fish I’ve ever had. The metallic sheen is stunning under soft lighting. I’ve kept it with other peaceful species and it’s adapted well to the tank conditions.