Hi i am intersting in setting up a cichlid tank i have freshwater but i have a community 30 gal i want to change it to full cichlid was wondering if you can help out few basic questions .. 1 the ones im talking about is the african the regular ones like plain blue or plain yellow .. like i see those in my lfs but there in brackish water tank... i thought they was freshwater? and im wondering how many can i put in a 30 gal? i would appreicate your help Thanks