Great information to have pinned. I've got two records in there myself. Reporting invasions or expansions of non-natives is a great thing our group can do to help this website get information out and available ASAP.
The folks at USGS-NAS are careful and they do very good work.
If you catch exotic species in new places, take good pictures and/or keep specimens, and report them via the on-line reporting tool. We can't all be serious full-time scientists, but this is something we can do, because a lot of time we know when we find something that's not supposed to be there ... and it's easy.
Hey guys, I'm finally coming across this forum about a year late, but I wanted to say that I really appreciate the direction the conversation was going. I work with the NAS database and am very happy to see that our product is being used in so many ways in the fish community. I thank you all for your kinds words and especially for your sighting reports. Not only are they a great thing you can do, but the sighting reports make up a huge percentage of the new and current information we receive. We try to work fast while maintaining quality data, so photos help to reduce the hassle of followup and uncertainty. Any additional data provided (site description, collecting gear, etc...) is also helpful.
Thanks again for being our hands and eyes in the field! If you ever have any specific or complex searches that the website doesn't allow you to perform, contact me (see signature) and I can create a custom query to get you the information you need.
United States Geological Survey
Nonindigenous Aquatic Species Program
Southeastern Ecological Science Center
7920 NW 71 Street
Gainesville, FL 32653