If my assassins can get through the bladder.ramshorns i have now I'd be very interested. I really like having them in my tanks, even fed them but then they started to eat my plants. If you want I can give you a handful of trumpet snails. These are the only snails I don't use as food despite having hundreds and hundreds of them. They just do so much good for my plants and haven't caused me a problem yet. Anywho the snail pic was wonderful, never seen such a beautiful ramshorn before.