...It's likely a wide (at least wider than standard) lens, with the photographer using forced perspective to increase the fish to angler size ratio.
I think that's the correct call. His elbows are obviously pointed towards his hips, but if you measure the length of his elbows to his finger tips, that would mean his hands hang around his knees while standing straight up.
He'd be a point guard in the NBA with arms like that.
