0rion wrote:

once in a while i'll look into the tank and see a snail literally
floating in mid-water without moving... current and passing fish be
damned. it's tethered by a long string of mucous that is invisible due
to it's index of refraction and totally clear nature. the poor snail
writhes around looking for something to grab onto until a merciful
fish passes too close and slices the mucous tether, letting the snail
balloon up to the surface and find a tank-wall to climb on.

anyone else seen this?

I've had apple snails that would "jump" from the top and "sail" down to
the bottom. Since they would do it repeatedly and immediately in a row,
I have to believe that it was [whatever passes for "intentional" in a
snail's little brain.]

-D
--
"When you've lost your ability to laugh, you've lost your ability to
think straight." -To Inherit the Wind