The return of the Friday Fish after too long away. This is a Pigfish, presumably with the common name "Peruvian Pigfish". OK, that's it, I'm done with these idiotic common names.
"Hey, look, it has some kind of snout-like thing going on! Let's name it after a pig!"
Gah! No more!
Photo courtesy of Dirk Shories, from a collection here. Incidentally, Mr. Shories' pictures are very good, and I'm happy to link to his site in return for being allowed to display a few of them here.