That makes sense. I bet they look quite graceful when they're in the water. It's something I'd like to see myself someday....

[ He was mostly serious when he said he'd only offer the chance just this once. Realistically, he knows he would quickly fold if she ever asked him again later, but he tries very hard to not make a habit of entering this form by accident.

Satan pauses before he answers her question because it was such a reasonable question that he had never considered. ]

No, but I suppose that doesn't mean they can't. As you know, I'm not often in this form, and so my tail only rarely has the opportunity to be damaged.

[ Honestly, his own leg has sustained more damage over time than his tail ever could. ]

And... unlike most demons from my world, this is the size I was born, so there was no need to for the scales to shed to foster growth cycles. I...

[ "Don't have anyone to really look to for guidance in that department," is what he wants to say. Instead, he offers her: ]

...I'm embarrassed to say that I don't actually know the answer, other than "they haven't so far."