Would you mind sending a picture? I am trying to figure out if I have 2 pregnant fish that had babies (a balloon molly and a platy) or some sort of cross-breeding in my tank!
Long story short, I thought my Balloon Molly had babies because they were black like her, but later on I found clear/orange fry in the tank which could have only come from one of the platies.
I have got some crossbread in the Maintank! Baloon and standard Molly Fry, not my fault! I was given some babies from a reletive just to put into the Maintank, and nearly all survived!