Email Juan Miguel Artigaz Azas, from the Cichlid Room Companion. Look at all the pictures, yours and everyone elses! There are at leat 5 varieties I counted on this thread. If it comes from a differant river or lake (naturaly), then it is a differant variety, and there will be subtle/minimal, to exterme or very obviouse differances. The holotype is from Rio Grande, that variety is the one from which it was described, so it was only logical that differant morphs or varieties existed, unless endemic to Rio Grande. It does not matter if you spoke with people from Mexico, Canada, or China. if there is a species or sub-species of cyano, that occures in another river, or many rivers, they are varieties, and part of a species complex. Just like with beani cichlids. There are at least 4 or 5 morphs I have seen, and they happen to each be from a differant river. They look relativly similar, but there are very noticable differances, between type localities! Sorry, I am a biologist (which makes me and my word worth nothing more then the next guy), but I tend to speak this way when it comes to discussing cichlid species.