My breeding tank (bunch of guppies in a 75 gal) has gone thru 3 litters. Have about 12 fry. So far all my fry have been female (only about 1 month old). Are fry female to male percentages that much higher for females? Would have thought it would be the other way around? Should I be concerned my litters are so small. Realize some of the fry may be consumed by the adult fish, but odd once I notice the fry they do not get eaten. Had poor water quality, that harder on the boy fry vs. girls?