On reading the post title I was working my mind in overdrive trying to figure out what a petco ram might be, some new monstrosity
. But I then saw you bought it at Petco, so it might be any one of several varieties. Some, notably the "balloon" ram, are genetically deformed, but others like the gold ram or german blue ram are colour varieties achieved by selective breeding as far as I can recall. You will find some info in our profile of the Blue Ram [click on the shaded name]. Spawning is the same whatever variety it may be.