I have several 7'' - 8'' knobbed whelks and I was just curious how long did it take for the whelk to grow to that size? Are we talking months? years? decades? What is the life span for a mollusk? I realize that it will vary between species, but what is the average? Thanks, James ---------------------------------------------------------------------- [log in to unmask] - a forum for informal discussions on molluscs To leave this list, click on the following web link: http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1 Type your email address and name in the appropriate box and click leave the list. ----------------------------------------------------------------------