In my experience female badis show practically no signs of striping.Are you sure the one is a female? I still can't help wonder if that is not just a male in stress colors. Perhaps another male is giving him a hard time.
For me, this fish has been the toughest to keep. It's a bummer, I really like them. Maybe they should not be kept in small tanks to spite their size. Some fish are just so sensitive, they need the stability a larger tank affords.
I like keeping Grindal worms as live food for my small fish. They're so easy to care for, practically smell free, and far more nutritious than some other types of live feeders.
I wanted to ask some more about the orange crayfish if I may. Are they hard to keep? What parameters,food, do they require? Can they be kept with some black morpho tetras?