Do you have any experience/suggestions for home-scale aquaculture?

So Mr. Laureth and I finally found suitable agricultural land to buy. Along with our dream minifarm, though, I want to engage in some aquaculture as a way to produce tasty and nutritious protein for us. Since the land doesn’t have a pool or pond that I can re-purpose, I’m open to ideas. (We could dig a pond, but that requires more permits and engineering than we have the patience for right now.)

Have you done anything like this?