I don't recall the variety. I just call them yellow zukes. They were doing great, then a couple weeks ago the fruits grew green with only a few yellow splotches. Also on one of them there's a quarter-sized patch where it's as if the skin didn't grow. In that area the seeds are on the outside. No rotting; the skin around the seeds is smooth. Very odd. It does seem like the newest fruits are yellow again. Lack of rain?