I've never seen the blue variety, however, these buggers were sold as O golds from a breeder.
As for raising the fry~that was taken out of my hands by a hungry S. petricola. That's okay because we are planning a big move and they will spawn again.
Actually, I cannot tell the degus apart yet. I'm a bad mommy :cry: but, the cats love them. Here are Squirrel and Josie watching the Degus sleep. My cats are not the brightest crayons in the box