Yup. My heart broke a little when I read “in Japan”.
Whoops. You are right, I didn’t notice the fur on its back or the pattern on its wings.
I’m pretty sure the “Fire Dragon” is a Rathalos.
On your 3DS’ home screen, when Monster Hunter 3 Ultimate is selected you can access the manual, there’s a section on the manual describing how to use each weapon, each weapon’s combos, special moves, etc. It’s really worth checking out if you need help.