I have an orange female molly, a black male molly, and two male guppies. One of the male guppies chased the female molly around for weeks. All of a sudden he doesn't chase her anymore. Now she stays hidden in the cave and just sticks her head out and grabs food that floats down to her. She chases away any fish or cory that strays thru the cave or even near it. My question is: Could she be pregnant now that the male guppy isn't chasing her anymore. I heard and read that mollies and guppies will interbreed.