Convicts will protect the eggs and fry until maturity (from my experience). If you have other cichlids in the tank, you can use one of those fish nets until they grow larger. At the numbers they hatch, you'll have a ton of baby cichlids - probably won't be able to take care of all of them!
Also, you should be careful when re-homing them. Most of the fry will probably survive and at those numbers, you'll stunt their growth in a 5G. I had one that didn't grow past a certain size in the 5G (and he was alone)...moved him into the 55G main tank and he grew like a weed...you get what I'm saying.
GL!