Yes, it is! One of the two, anyway -- the sea-cave one. Don't remember how I painted the other tail.

I kind of forgot about epilogue. And Elfwood. I have very old artwork up there and no idea what my logins are.

Spinal-columns beat fused legs any day. I didn't think about evolution because at the time I was going on the theory that merfolk were the mid-form of were-fish -- they had gills and extended spines-into-tails, but retained arms because arms are useful.