here is my thread about my brothers marble that he got from rapps. He bought 1m/1f both 14"+ and it looks like she either came in preggo or got preggo at rapps place. When i last spoke to him he said he doesnt really see any movement anymore, so i wonder if she is reabsorbing the pups?
http://www.monsterfishkeepers.com/forums/showthread.php?t=377146
http://www.monsterfishkeepers.com/forums/showthread.php?t=377146