it's been awhile since i've posted but thought some of you might be interested in this.
i fished the middle fork stan below beardsley a couple of months ago for the first time and saw the standard yellow NZMS warning sign in the parking lot. the stan had not been on the NZMS positive list before then. when i returned home i sent an email to DFG. just last week i received the following email:
The USFWS just let me know there has been a collection of what's been tentatively identified as New Zealand mudsnail on the Stanislaus. I probably just hadn't gotten the word about this when you wrote earlier this month. I don't have any of the details, but more samples will be collected in a couple of weeks and I'll get more information then. I remembered your e-mail and thought I'd send you an update.
If people go to
www.dfg.ca.gov/invasives and look on the right side of the page, they can click on New Zealand mudsnail. That will take them to our New Zealand mudsnail page where you can follow directions to bring up the map of NZMS sites for CA. This map is actually at a Montana State University website. They maintain this website with support from the US Fish and Wildlife Service. We share information with them & vice versa. Be aware that at the Montana State site, one sometimes has to wait a minute for the database to catch up with your directions as you navigate to the map for CA. If the sighting for the Stanislaus River is confirmed, the information will be sent there and DFG will receive it the information as well.
Julie
Julie Horenstein
Staff Environmental Scientist with the Department of Fish and Game's Invasive Species Program
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