I bought a fish form this place that was pregnant and now I get to learn how to take care of the eggs and fry any tips

They will take the eggs back from you if you don't want them. Just call and ask.

Small schooling fish black and white dots about the size of a baby carrot

What species of fish?

Depending on the type of fish you may have to get the babies out. Some fish eat their young and others will eat those babies.