and prey or mate
No interactions present.
Like other arthropods, spiders have to molt to grow as their skin cannot stretch. I would imagine this is what has just happened here.
Chris Brooks - www.dragonfly-images.co.uk
My Flickr site - www.flickr.com/photos/ceb1298
Lat/Lng: 52.9704, -3.168
OS grid ref: SJ216420