I'm not concerned about you honey, heck remember I said I wanted to adopt you.
As far as the GG's serving as a predator in a 3/4 acre pond I see no problem there (but don't forget you will have to find a way to remove the offspring either by seining or stocking HSB). Let's just make sure you like them enough in the 1/4 acre pond first.
As for our hybrid crappie we have noticed a decrease in spawning with these hybrids. Do they reproduce? Yes, but not with the numbers seen on the normal black or white (at least cut by 1/2). This being said you might opt out for stocking the hybrid crappie, LOTS OF MINNOWS, and a handful of predators. Use LMB if you think you can cull out the larger ones over time. I think you could exceed the 1.5 to 2 lb. goal on the crappie in a 3-4 year period if the forage base is kept high enough. Provide alot of minnow cover for spawning, and add Gambusia and fatheads when you see the need.
