Some people say it's not really a morph, but when you see one, you will be able to tell them apart from the normals. I must say that the name doesn't really help. The only combo I can think of so far is the Twighlight ! Quite nice. The super form, the powerball is quite nice to work towards too.
If it wasn't "really a morph" then it would not create the powerball
Axanthic spotnoses are pretty cool. They hold their color (or, lack thereof) nicely too.