Barred pencilfish

The Barred pencilfish is a small, subtly colored freshwater fish primarily found in South America's slow-moving rivers and streams. It features a slender, elongated body with distinctive horizontal stripes or bars, usually in shades of brown, gold, and black, which blend with its natural habitat. In terms of appearance, its most notable characteristic is its pencil-like shape, hence the name "pencilfish." Although not as famous or widely kept as neon tetras or guppies, the Barred pencilfish does have a niche following in the aquarium hobby due to its peaceful nature and unique appearance, making it a favored choice among enthusiasts who prefer a more natural-looking or biotope-specific setup.