Rineloricaria (from the Greek, rhinos meaning nose, and the Latin, lorica meaning cuirass of leather) is a genus of freshwater tropical catfish (order Siluriformes) belonging to the family Loricariidae. They are commonly called whiptail catfish because of the long filament that grows out of the tip of the caudal fin that is characteristic of the genus. With the exception of R. altipinnis from Panama, they are native to the rivers of northern and central South America. Some species are regularly seen in the aquarium trade.

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