so i heard that guppy is the easiest way to breed, if i want to breed guppy, what should be done firstly? and how do i know if the guppies i am going to buy is female or male in LFS?
http://www.liveaquaria.com/product/scateg.cfm?pCatId=1100
http://www.liveaquaria.com/product/scateg.cfm?pCatId=1100