satin guinea

My little Bilbo (male) has started having trouble with one of his back legs. He is walking abnormaly and hopping around. When he is laying down, he lift his leg. It doesn't appear to be broken. He doesn't complain when I touch it. I don't know how to explain it, but the only thing I felt on his...

I am concerned because I’ve always noticed his coat was shiny. I really can’t tell if it’s just a healthy coat or if he is satin because of his dark fur. I got him from petco, not sure if they sell satins there. Am i being paranoid or could he be satin? Thank you ♡

I recently acquired a Rex guinea pig that you can definitely see some satin in it especially when it is in the sun. A friend of mine is a guinea pig groomer and she agrees that it has some satin in it. I have done some research online but keep finding mixed and contradictory information. I...