I was surprised at the aggression too. It may be because the tank they came from was a 40g with nowhere to hide. The two still kicking were swimming around together so I assume they were a pair. I wanted the other female to give female #1 a break now and then from breeding. Guess that didn't work out.
Yes I guess I am lucky with the CRS. The fish club I belong to is awesome. Everybody loves helping each other out. Now I just have to wait and see what happens. Doing a pwc
today so I will look for eggs.