Hypopygus neblinae is a species of bluntnose knifefish from the family Hypopomidae.

[1] They live in freshwater and can grow up to 12.2 centimeters long.

[2] They are native to Bolivia, Colombia, and Venezuela, and are commonly called marble knifefish.

[3] They are occasionally sold as aquarium fish.

This Gymnotiformes-related article is a stub.