Two Convict Cichlids In My 55 Gallon Tank I went to Big Als Aquarium store today after work and picked up 2 Convict Cichlids. I read online that they can get pretty aggressive but so far they seem to be fitting in very well. I have 3 tanks so if they get bigger and start bullying the other fish around I can always make a tank for them. They grow to about 12cm or 4.5" long so they do get bigger but not to big. One is bigger then the other but they seem to be buddy's in my tank right now. Everywhere they swim they swim together and are very cautious fish. They seem to posses a lot more intelligence then the average live bearer. At first I was a bit worried because my large angel fish was eyeing up my larger convict but he stood his ground and then swam away cautiously. I will watch them closely for the next few months and if needed, I can adjust my tanks to match there behaviour.  The smaller one is about 2cm and the bigger one is about 3cm Here is another image of my larger Convict Cichlid.   ... Read More