Definitely NOT a catfish!

So..Will and I have been trying to catch catfish out of the pond. Last weekend we thought we'd just haul in a few and have them in the fridge for the week. Well...come to find out, our catfish are WAY smarter than that. I'm here to tell you that last Sunday, they actually HID from us...and this is true.
Every night, we feed them. They come up by the dozens and swarm on the surface of the pond, gobbling up all the food. The perch don't even stand a chance. We have to haul off and sling fish food way out for the perch. Well. once the catfish figured out we were actually FISHING for them, they didn't come to the dock at all. They were nowhere. We were puzzled. I even caught Will out in the night with a flashlight on the other side of the pond, kind of looking around in the water. It was very curious.
So, this evening we gave it another go. He left the fountain on, I think for cover. And when I got out there, he was being very quiet and fishing really deep off the end of the dock. I joined in, not having much hope. He caught a really big catfish. I was impressed, and hopeful. We were sitting there staring at our corks, and he was telling me...'you know, with catfish, you have to be patient" ok, patience. I can do that. Then he says..."look. see? (and he's getting a bite) "just let him take it. let him pull it way under." Hey! another one! And he pulls it to the surface. But. Uh.
It's not a catfish. It's the ugliest nastiest snapping turtle you've ever seen! I mean, EEwww!
He was hooked pretty good. Will kind of drags him over to the bank. 'I need a shovel" he says. A shovel? By the time I get to the barn and back, I won't even get a picture~! wait!. So I run in to get the camera. And the closest implement at hand is a big hoe. So I brought him that. But the turtle is in a vile mood by now, snapping and whatnot. And he breaks free of the hook and sinks under the dock. So there you have it. He's down there. Somewhere. I figure there's 1000 fish in that pond, so he's eatin' pretty well. Oh, and p.s.///after the first catfish was caught, the rest of them disappeared. Will had to wait until after a rainstorm and threw out a big load of fish food. Then he had them all confused and caught two more. But there are 200 of them in that pond. And it seems like all 200 come to dinner every evening. So we'll have to come up with a fairly clever strategy about this.