hi, we have a 10 gallon tank. people from petsmart told us that 2 different types of guppies reguardless of color, regular or fancy tail would not mate and breed to produce babies. they also sold us 2 sunburst wags and said they were both males, wrong again. 1 was a female and giving birth. my question is will pet stores buy the babies when they get bigger or how and what should we do. we have a 2- way breeder for the guppy and the sunburst. we live in maryland and any and all advise will be appreciated. send me email. jwat66 at aol. thank you.