I have seen them disappear on the southwest coast also. I assumed it was due to red tide. Probably a combination of both.

On Mon, Sep 25, 2023 at 4:33 PM Harry Lee <[log in to unmask]> wrote:
Maybe not so much the cold; see <http://www.jaxshells.org/012508.htm>. Since their adventitious appearance, most NE FL populations have disappeared, presumably due to winter temperatures.

Harry


On 9/25/2023 4:23 PM, John Varner wrote:

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