The smile freezes on his face and slowly fades as the atmosphere charges. It was meant to be a very subtle warning and mostly an innocuous remark, but this shinobi isn't buying any of it. Those sharp teeth prove that much on their own. No, he's suspected, and as pieces click into place, Haku suddenly knows who he's dealing with.

"Hoshigaki Kisame," he supplies. "Wielder of Samehada and Monster of the Mist. Yes, you're quite famous." His chin lifts, dropping all pretenses of surveying the plants around him to watch his potential enemy. "I'm honored you'd take time out to speak with me."