strategies

I've observed, lately, the success (or lack thereof) of the two different reproductive strategies of old and new world cichlids. In my 40 breeder ruby red tank (2M-6F), the females have held numerous times. Despite all the adults and 8 petricola in a small tank, five fry have managed to grow...

There's a good chance that some of us will be facing this in a few days. I'm sure some of you have generators. But for the rest of us getting by on battery powered air pumps and battery packs -- what is a good strategy? In the short run, we need to keep the tanks oxygenated. In the long run...