Hi. As far as I can know, Endlers' Livebearer is the guppies that the LFS sell as live fish food. Take a close look at the feeder guppies the next time you go in. I bought some for one of my tanks. Most of them died over the next week or so but the ones that survived past the week are doing fine. The males are so beautiful and the females are really drab but together they look great swimming around my tank. At the moment I'm trying to cross breed the feeder guppies with some "regular" guppies to see what I get as a result.