Well, I guess we'll have to say something to keep HUMANS from being eaten, like point out that humans are the only species capable of certain tasks. (I would say the most intelligent species, but I'm not sure if that's true.)
No doubt. "OMG. I fell in love and so that totally justifies me making a deal with the mob boss of the sea. Oh look; her cave is filled with living seaweed begging me to turn back. I wonder if that's a sign that this is an insanely dumb idea?"
Thank you, I've learned so much today. ^^ From what I've heard, their population grew rapidly withing the last decades. I assume if it keeps that way they risk running out of food soon. Or they might just switch to careless swimmers instead.