People often talk about the alien beauty of the deep ocean. I have no idea what these people are smoking: all I see is lightless terror filled with horrible monsters. Still, I marvel at it either way.
Perhaps the most wonderful quote in this New York Times review of The Extraordinary Creatures of the Abyss by Claire Nouvian is this:
Which at least saves us the worry of them suddenly wriggling up the drain while we're taking a bath.
Mysteries to Behold in the Dark Down Deep: Seadevils and Species Unknown [New York Times]