I remember reading somewhere that it was the only animal with a forked penis, but a quick look at 2-3 likely sites found by Google didn't mention that. blink, blink There was one which was really funny (ok, full of bad fish puns), but I don't dare link to it, even for the humor. Maybe I chose the wrong search terms, or maybe the most-linked sites are not the scholarly ones. The females are described as having 2 slits. Carolly