Hisonotus bockmanni
Hisonotus bockmanni is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Amazon River and the Cururu River in Brazil. The species reaches 2.4 cm (0.9 inches) SL and was described in 2012. References 

Otothyrinae
Fish described in 2012

Freshwater fish of Brazil