I've got a green monti digi that does that. It doesn't seem to grow like my orange and purples do, it's all wonky like your picture. It looks very nice and if ever frag some of it, I wouldn't mind having a piece. It almost looks like a German Blue, but that's seems to be hard to find a quality piece of these days. When I did finally get a piece, I unintentionally killed it when my return pump started leaking voltage.