traveling snail to the filter....

Thought you might enjoy this,
I have a big double sided whisper filter, my ivory mystery snail is pretty
active meaning all over the tank, I have all the snails in the goldfish tank
at the moment which is pretty big, a lot of glass for them to cover, I could
only find three of them and I was looking and happened to look in the filter
because this morning I noticed he was climbing up the extension tube, he
climbed all the way up the extension tube out of the water to go over the
little valve you adjust the water flow with, back down into where the bio
sponge is and was just hanging out there. I pulled him up and put him back
in the tank, a few bubbles came out of his shell and off he went right back
to the extension tube, guess its like the game with babies where they drop
something and you pick it back up just for them to throw it again. maybe he
wants attention.
Nik