Grace doesn't mean to not read the room very well right now. She's just too full of ALL OF THE BEANS.
I'm boldy assuming that not 100% of people who will ever read this will be familiar with Buffy The Vampire Slayer, so allow me to explain what that is.
Actually, now that I've said it, its relevance is right there in the title, isn't it? Well, my work is done here.
My intent was for Ashley to be the one asking about three tails, but since she's off-panel, that's open to interpretation, I guess. If you want to assume it's being said by a ghost shark, I cannot stop you.