I was just curious what kind of creature is this one 
it only appears at night. I picked one and put it in a piece of paper to observe and it moves like this 
when I turn it upside down. Is this some kind of snail without shell?
I was just curious what kind of creature is this one it only appears at night. I picked one and put it in a piece of paper to observe and it moves like this when I turn it upside down. Is this some kind of snail without shell?