i was doing a water change on my main 20g tank and couldnt find my snail. she's never escaped. i didnt have the back of the top completely covered because there was such a small area between both filters. i guess it was just enough room to get out though because i cant find her anywhere in the tank. the worst part though is the fact that i have 3 cats, one of which is only 8 months old so everything is a toy. if the snail got out and she saw it could be anywhere or deceased thanks to the kitten. i've looked all around the tank but came up empty. does anyone a way to trap the wayward snail? any help would be awesome.