"I'm one of the Finfolk. He seems to be able to tell. Maybe he's come across some in the ocean before." Heather sighs. "Normally, I'd be able to switch between my natural shape and this human shape, but for now I am stuck."

After another brief pause, Heather decides she's said enough that she might as well say it all. "I had a magic cap that let me change shape. It got destroyed, and I have to make a new one before I can take the shape of a merrow again."