He is a sailfin (gibbiceps) pleco. There's your answer, as I have stated a half dozen times.
How on earth would your friend, who has clown puke gravel with a fake submarine come across some rare species that is able to breed with a BNP, but looks ABSOLUTELY nothing like any of the bristlenose species I have ever seen? And the expert that Gillie was speaking of, well I know him as well and he bred several BNP species, as well as true zebras, leopard cactus, King tiger, leopard frog, etc etc...her more than likely tell you the same exact thing that everyone else has said. Your friend either bought them, or had a friend/family member that did and put them in without telling anyone. Just like Gillie said, this is a waste of time....you'll only hear what you want to hear
Sent from my iPhone using Aquarium Advice