First I'll talk about my physiological characteristics. My appearance and my nose are the result of my parents' choice. And also natural accidents. This happens to all wyverns.
My family wanted me to have strong muscles and sharp teeth. So my parents left me in Dark-Blooded stingray territory. These are cold waters with a lot of rock formations. In general, I got everything that my parents wanted to give me. But I don't know where I have got the spike on my nose.
But I found a great use for it. For a long time I ate blue clams. But as I got bigger, I realized that now I didn't have enough clams to feed.
I know how to hunt large predators, nut more often, I preferred to use my mind. With my nose I tore open shellfish to attract sea creatures to the banquet. But they themselves were a treat...