I've recently been working on a report for some research I conducted in september and I've run into a bit of a problem during the analysis as I am relatively new to stats.:shakehead I would really appreciate any help anyone could provide! Thank you!

The scenario:

I'm looking to see if the height above the low water mark and the width of crabs. Fundamentally: 2 continuous variables which are not normally distributed when plotted on a scatter graph or transformed with the appropriate equations. I then looked into an appropriate non-parametric test (I have been taught the mann-whitney, Kruskal wallace and wilcoxon) which due to the continuous nature of the data could not be applied.

I haven't been taught spearmans rank but is that appropriate? and can I perform a GLM even if the data is non parametric?

I'm sorry if I'm asking a silly question, I would really appreciate your pity all the same haha!

Thanks again,

Laura