So I was thinking about this. LetÃ¢â‚¬â„¢s say I buy 16 whatever cichlids from a breeder that all are the same age and came from the same batch of fry. I guess the question is, can I safely breed them with each other? I know with mammals or humans at least if one breeds with a family member (sister or brother) then there can be birth defects. Does this occur with fish as well? Would I need to get the males and females from 2 different sets of parents?