It looks like a pirate succubi. I like the colors for it, though I"m not sure about the tail having a wing type flap on it. Overall I would say great shading job. The face looks a little... for lack of a better way of putting it, vacant. Like she doesn't really have much in the way of emotions. I'm also trying to figure out why there is a wing so low in the right hand side as just a personal curiosity. I think you did a good job of working out the pose though. It's hard to pull off that kind of sultry positioning.