Many snails live just one or two years. But some volutes like
Adelomelon brasiliana or Zidona dufresnei do live for about 17
years (according to a paper by Penchaszadeh) and the sexual
maturity takes about 7 years.

regards
Fabio W.


--- John Andrews <[log in to unmask]> escreveu:


---------------------------------

As my passion for shells has touched numerous other people, they
haveasked me, "How old is this, or that shell."  I have no
idea.How old do shells grow to?  I have not seen a
"small/babycone".  Yet I do not believe they are born 50 mm
long.  Where are allthe babies?  For example, I never saw a
small Tiger Cowrie.  Where arethey hiding?  Can anybody give us
some insight?

John Andrews
2495  C  Blvd of the Generals
Norristown, PA 19403


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