I'm a bit disappointed that no-one answered this message.

It's not much about specimen collecting, but very relevant to human use of
shellfish. I'm constantly amazed that local Filipino villagers regularly
hunt Lambis lambis (Gang-a) - and I do myself, but there always seem to be
plenty of them about - how?


On Thu, 14 Sep 2006 02:37:14 -0400, Richard Parker
<[log in to unmask]> wrote:

>I am doing a bit of study of seashore foraging, and could do with some help
>on estimating regeneration times for food shellfish, in particular:
>
>Lambis lambis
>Tridacna gigas and squamosa
>Cypraea tigris
>Cassis cornuta
>
>ie
>how quickly do they reach maturity ?
>do they have swimming larvae that can spread easily ?
>what are their depth ranges ?
>if they are left totally alone, what would be their population density?
>
>Some of my findings to date are at my website:
>http://www.coconutstudio.com/Shell%20Middens.htm
>
>Someone might also be able to advise the name of the weird spiny chiton
>shown
> at:
>http://www.coconutstudio.com/Shoreline%20Foraging.htm
>
>
>regards
>
>Richard
>
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