Here in Portugal Littorina littorea is collected and sold in fishmarkets as
seafood. I believe this happens in some other countries ( Spain, France,
etc ). It's considered better in taste than Mondonta, so why not start
eating L.littorea to control the populations? I am sure that one can find
many different receips to cook it.

regards from Portugal

Bernardino

----- Original Message -----
From: "ross mayhew" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, December 10, 2004 3:54 AM
Subject: Re: molluscs invading North America: what about Littorina littorea?


> Amongst "invasive" species, so far as i can figure out, Littorina
> littorea is a very interesting case:  So far as i understand it, the
> latest research indicates it was present in sub-Boreal Canada (NFLD,
> N.S.) for at least many hundreds of years  - "prior to 1200": i had a
> great reference but can't find it now!! -  , then around 1860 it took
> off down the New England coast, causing all sorts of havoc in its wake.
>
> My questions are:
>
> 1) What at the "best guesses" as to why this species which had been
> around for quite some time, suddenly expanded its range so quickly??
>
> and 2) What exactly were the negative consequenses of this dramatic and
> rapid range expansion?  I have read only brief descriptions, related to
> the high densities it attains (often over 500 specimens per square
> meter) and its food preferences: does anyone have a more detailed
> account of the ecosystem alterations it caused?
>
> From the nippy Wilds of New Scotland,
> Ross Mayhew.
>
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