I made her a long time ago and even though she was only meant to be a practice one, I never got around to making another. I probably should, since the only hard bit was the eyes on stalks, and her claws were a lot easier to set than some of the monster arms and legs I've been doing.
As for the colour, I'm not making this up, but a few days ago my dad caught an albino crayfish.
The one on the bottom is a normal one. They haven't been cooked or frozen or anything like that, it was just how they came out of the pot.
So it would seem that shellfish come in all sorts of colours.