All i know is here-say or just what I've been told. But I was able to track down the guy that got her from the aquarium...... I'm not saying I'm right or wrong, just stating what I have been told.
I have always wondered if "Mantillas" were just naturally occuring hybrids of Henlei/ Motoro but have never got a straight answer.
Stiff you obviously have a monster there..... Any clearer pics of her pattern?