WE OBSERVED A SOLID BLACK PLECO WITH A RED SLASH ON EACH SIDE OF THE FACE. ANY IDEA AS TO WHAT THIS PLECO IS AND HOW WE COULD LOCATE ANOTHER? WE ALSO OBSERVED A SOLID BLACK PLECO WITH RED STRIPING SIMILAR TO THAT OF THE MARKINGS OF THE TIGER BUT THE STRIPING WAS RED. AGAIN ANY IDEAS AND WHERE MIGHT ...