It is a taste testing monster!
I was trying to look for a trail..and I think I saw the trail. I guess it first tried to eat my mammillaria..thankfully the thorns seems to have protected it, but the Euphorbia has some smoother surfaces so it was able to munch on it. grrr! Interestingly..though knock on wood, it does not like the Aeoniums ....yet! Those ones have real attractive new leaf growth.
I guess the snails are getting desperate..no rains..no new leaves on the usual targets it likes, so it is trying the succulent taste.