Mako immidiately dropped whatever he had picked up and flared out his fins. Objectively this may look pretty, but it was meant to look imposing. He had always been taught that all other mer-species were hostile so his reaction seemed appropriate. Yet, when he saw that is was only one girl that was calling out to him, he couldn't help but feel a little ashamed for reacting like that. But he didn't know of other's combat ability so he still stayed on guard. "Hello," he answered.