Hypostomus punctatus

Hypostomus punctatus, the suckermouthed catfish, 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.