Curculionichthys oliveirai[1] is a species of catfish in the family Loricariidae.

It is a freshwater species native to South America, where it occurs in tributaries of the Ivaí River in Brazil.

The species reaches 3 cm (1.2 inches) SL and was named for Claudio Oliveira, a professor from São Paulo State University, Botucatu, São Paulo, after his contributions to the studies of Neotropical freshwater fishes.

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