HMMMMM I have never had one get sick on me for eating blackworms...I also give the frozen blood worms as well...They tear it up..They are doing great too..Ill have pics up in a few
If you are ever having a hard time getting them to eat I have found all of mine go crazy for bloodworms.
BTW, the pics look great. It's hard to tell with the flash but it looks like they are already passed the mostly white stage and onto the light blue stage.