O.K, good that you have your thread up now. It's much more likely that it's a runt or very slow grower. Where did you get it ? Almost no chance of getting one at a store by mistake because they are a specialty dragon and somewhat rare. Post some pics of him from above, here's the info to post pics :
on the top of message box right above where I am typing XIMG click on it- after you have uploaded the pics from the User Image Uploader at top of this page
Karrie