And you are extremely insulting. I guess you are not going to change my "confusion", as you put it, and I'm not going to improve your personality or debating skills, so let's agree to disagree.
I disagree. Had I called you a moron, a retard, or a ranting ignoramus, that would have been extremely insulting. I merely said you were confused. And it does seem you are confused. You want to claim a fish that does a few atypical things is not a fish, but a mammal that does a few atypical things is a mammal.