I've read that offering different types of foods helps encourage breeding, but am I supposed to feed them more? I have (I think) 1 pregnant female, 2 non-pregnant females, and 1 male. I've been feeding the a little bit once a day, switching between 2 types of flakes, bloodworms, and shrimp pellets. I also just picked up Spirulina to give to them. I'm just supposed to give more TYPES of food, not actually more food, right? Don't wanna overfeed and send the stats all crazy!