Because females produce eggs, which produce babies....



Males can breed with several females and produce more morphs or hets.
Females can breed and produce whatever morph/het they are PLUS combos of that morph if you choose to, and they can produce eggs year after year... Males are only good for the sperm.


If you intend to breed, you need way more females than males, which is the demand aspect of it. The demand is higher for females when you are breeding.