The Triodopsis that I was notching and releasing last fall survived the winter (Part 1 and Part 2). At least some did. Last Thursday I collected 11 live adults and 3 empty shells. 5 of the live snails had notches in their lips.
I had notched the lip of this one and 3 others like it and released them on 10 November 2008.
The 5th live snail had a notch elsewhere in its lip that I have been able to date to 8 August 2008. That snail has been an adult for at least 8.5 months.
The 3 empty shells also had notched lips. One of those snail apparently died when something cracked its shell.
In part 2 of this series, I had the picture of a snail that had repaired the notch in its lip. Surprisingly, none of the live snails I collected this time had repaired their notches.