we will try to get some more pic's your probably right about him being an hybrid, we are trying to find out how big he will get because id like a couple of tank mates for him.
looks very much like a patternless delhezi to me.
try to get more pics.
thefishguys,not all polys are slow growing.
in fact,many of them grow very quickly.
such as endlis and senegals.