The L128 is found in the northern most portions of the Rio Orinoco river in Venezuela.  The Blue Phantom Pleco has a bluish / grey body and baby blue spots. Specimens from the northern most areas of the Rio Orinoco valley tend to be the darkest in color, with specimens from further down river having an appreciably lighter body coloration. Many hobbyists consider the Blue Phantom one of the most attractive species of Loricariids available within the hobby