Got a reply, she's a nice girl, but you guys were right, the frog didn't make it. They did try. Set up a home and fed him crickets, etc. Here are some pics of Turtle:
What a beautiful frog. No, I don't know why the water was so low or if it was always like that. The point of these is just that he was a cutey.
Then here's the giant cricket their dad put in the tank that scared the girls (and probably turtle, too):
Other pics, I won't show. It's a shame, but I guess a lesson was learned. I hope so. Rest in peace, Turtle.