i buy cichlid fish from Don conkel,when the fish ship to my country some tags were missed.my friend put guttulatus,zonatus,bifasciatus and bulleri into a tank.i can not distinguish them.i used google to search pictures and want to get some method,nothing!the pictures are adult,my fishes are young.i e-mail to Don,Perhaps my English is too bad or he didi not receive my e-mail,i still do not get the answer。i have no idea,please help me,please!!!