My friend ordered 6 from Rapps late last year and I was able to get one from him. I ended up with a female is she is 6 inches now. A member here ordered at the same time and his male was 7-8 inches now and the other male 5 inches. Obviously, the bigger one is the more dominant and grew faster. they were less than an inch when we got them. I have 6 right now that I got from aquabid and they are growing faster in a community setting (8' tank) with some cubans, beani's, & RTM's. I give them freeze dried spiruina/bime shrimp by hikari, garlic soaked sinking pellets by Ocean Nutritions, and frozen krill,brime shrimp & spirulina by hikari.