Shelled-slug blows bubbles

Whilst building the Testudarium I found one of my favourite slugs, Testacella maugei. This is one of the shelled-slugs (you can see the shell in the picture) and they are carnivores preying on earthworms and other slugs.

I moved the slug out of harm’s way but it then blew a large quantity of mucous bubbles at me – which seemed worthy of a photograph:

I also found this fantastic slow worm (Anguis fragilis) which I moved to the ‘wildlife’ compost heap so it wasn’t likely to get injured whilst I was digging: