Hypostomus punctatus

The suckermouthed catfish (Hypostomus punctatus) is a tropical fish belonging to the armored suckermouth catfish family (Loricariidae). Hypostomus punctatus is a freshwater fish native to South America, in the coastal drainages of southeastern Brazil and Uruguay. It is one of a number of species commonly referred to as 'plecostomus' or 'common pleco' by aquarists.