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They are indeed Blue. A fantastic fish in my opinion wild rams are one of my favorite Dwarf Cichlids. There is also a red version of a wild ram with more of a redish hue overall. Enjoy the picture.
Dave
There are several color variations in wild rams this is old news. I suggest you may perhaps ask some of the experts on taxonomy and nomenclature to elaborate for you guys. May I also suggest you search the archives of the APisto mailing list on www.thekrib.com In the meantime here is a link to get you started. http://lists.thekrib.com/apisto/9811/msg00150.html
Enjoy the picture of my wild Colombian Yellow Ram and I hope I have been able to help you guys out.