Pareiorhaphis steindachneri is a species of catfish in the family Loricariidae. It is native to South America, where it occurs in the basins of the Cubatão River, the Itapocu River, and the Itajaí-Açu River in Brazil. The species reaches 14.3 cm (5.6 inches) in standard length and is believed to be a facultative air-breather.

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