By Amsterdam
Shropshire,
United Kingdom 
Is this a leopard slug? The one that predates on other slugs? Thanks
8 Aug, 2023
Answers
I agree, they grow to about 4inches long and will also eat fungi and rotting vegetation as well as other slugs.
8 Aug, 2023
Thank you both. Will keep him as a friend!
8 Aug, 2023
I find them in my compost bin
9 Aug, 2023
Certainly does look like one.
8 Aug, 2023