The fact that some people disagree that there is a "seahorse emoji" means it is controversial, so I'm saying "if" because it's more of a fuzzy topic. Plus if I just say any sort of smiley pictograph (not counting emoticons) is an emoji, I guarantee you someone would've "um actually"ed me. That stuff really annoys me, so unless I do research before making a comment I try to speak in general terms. This is a habit I've learned from my career as well. I try to make it clear when I'm certain I'm right versus when I'm only pretty sure I'm right. My comment was entirely based on my memory of reading things about this in the past. It's way to time consuming to verify I'm right before I post, so I say "if" and "likely" a lot.