Very very nice.
It's well composed and very detailed. Although, it seems that its fin-like scales are protruding through its wing as well, a simple mistake? None the less, a great piece of work. I would love to see one in colour.
How do you do the scales?! I can't draw dragons worth a crap! >.< This is awesome! The details are very nice, including the scales, lol. I really like the face...^^