Cucumber "Fidelio"

[Charlotte Sometimes]

Has anyone grown this before?  Is it female-only (flowers)?

I can't find any male ones, am I looking hard enough?!  ???

As usual the seed packet is not much help and I have Googled and not come up with anything barring that the fruit are shorter than some and they have good resistance to powdery mildew.  ::)

[Charlotte Sometimes]