Hypostomus plecostomus, also known as the suckermouth catfish or the common pleco, is a tropical fish belonging to the armored catfish family, named for the armor-like longitudinal rows of scutes that cover the upper parts of the head and body.
Suckerfish or sucker may refer to: the remoras (family Echeneidae): ray-finned fishes that use suction to hold onto larger marine animals