H. Punctatus or trinadad plecs are often sold as commons, but common is a term that just refers to the plecos that the pet store may or may not know what they are. I have seen royals sold this way, as well as rubberlip, and a L114, as well as some G. gibbiceps, and have heard of people getting blue eyes that way. davo your forgeting the color morphs for H. Plecostomus, chocolate, cinammon.