Hypoptopoma sternoptychum is a species of catfish of the family Loricariidae.
This catfish reaches a maximum length of 3.3cm (01.3inches) SL. It is demersal, being found in fresh water in the tropics. Hypoptopoma sternoptychum is native to South America, occurring in tributaries from the upper and central Amazon River in Ecuador, Peru and Bolivia.
Hypoptopoma sternoptychum is harmless to humans.