I recently purchased a female betta a few days go, and she is in a 10g tank. The first day I got her, she ate brine shrimp, but now, she won't take brine shrimp, or betta pellets either. She just ignores them. I also will try bloodworms, but I don't know if she'll take them. My male betta eats just fine, he'll eat anything I throw in the tank. Any advice?