Lebiasinidae

Pencilfish

Pyrrhulina marilynae

• Tropical
• Upper river
• Southern Hemisphere
• Regional distribution
• Freshwater fish
• South America
• Elongated
• Small
• Tropical fish

Pyrrhulina marilynae is a species of freshwater ray-finned fish belonging to the family Lebiasinidae, which includes the pencilfishes, splash tetras and related fishes. This fish is found in the basins of the Tapajós and Xingu River. They grow to no more than a few centimeters.