Well, thank you for the amazing pics. I have never seen such a mighty snail! Now, this make 'Big Burt' look something of a midget.
I have just read about the Bridgesii variety which I gather don't go after the plants but can still get quite big -4-5cm. What do you think about that as a possibility? Also, I think you said on one of the other posts somewhere that snails are about as dirty as GF. How much would one use in the gallonage of a tank? Mine is 180litres and I was planning on 4 fancies. Thoughts?

PS I forgot to add that we are on a time difference as I am living in London, England right now.