Coral Red Pencilfish

The Coral Red Pencil Fish is a stunning and peaceful freshwater species known for its slender body and vibrant red coloration, especially pronounced in males. Native to the Amazon Basin, this nano schooling fish thrives in planted aquariums with soft, tannin-rich water. Its calm demeanor and striking colors make it a favorite for aquascaped tanks.

Care Facts:

Nannostomus mortenthaleri

Tank Size: 10 gallons minimum (best in groups of 6 or more)

Temperature: 72–80°F (22–27°C)

Diet: Omnivore – accepts micro pellets, flakes, and frozen/live foods

Behavior: Peaceful, midwater schooling fish

Max Size: Up to 1.5 inches

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