Alert System User Statistics



Total Users
941

StateSubscribers
California205
New York198
Florida191
Pennsylvania185
Oregon180
Texas171
Wisconsin167
Washington166
Michigan160
Nevada158
Louisiana153
Minnesota153
Illinois153
Ohio153
Idaho150
Alabama148
Indiana142
Mississippi141
Montana140
Colorado138
Vermont138
Massachusetts137
Arizona136
New Hampshire136
North Carolina135
Virginia135
New Jersey135
Georgia135
Wyoming134
Maryland134
Maine132
Utah131
Connecticut130
Alaska130
Arkansas129
Oklahoma124
Rhode Island122
South Carolina121
Iowa121
Delaware121
West virginia121
Missouri120
Tennessee118
Hawaii118
Kansas117
Kentucky114
South Dakota113
North Dakota111
New Mexico111
Nebraska106
District of Columbia102
Puerto Rico90
GroupSubscribers
Fishes357
Mollusks-Bivalves284
Crustaceans-Crayfish245
Mollusks-Gastropods240
Amphibians-Frogs217
Mammals208
Reptiles-Snakes202
Crustaceans-Crabs202
Amphibians-Salamanders198
Reptiles-Turtles196
Crustaceans-Shrimp187
Plants182
Crustaceans-Amphipods175
Crustaceans-Copepods173
Crustaceans-Cladocerans171
Reptiles-Crocodilians165
Crustaceans-Mysids164
Mollusks-Cephalopods163
Crustaceans-Isopods159
Reptiles-Lizards151
Coelenterates-Hydrozoans133
Annelids-Oligochaetes130
Crustaceans-Barnacles125
Entoprocts123
Mollusks-Nudibranchs113
Crustaceans-Lobsters105
Crustaceans-Ostracods98
Sponges98
Tunicates96
Annelids-Polychaetes93
Coelenterates-Scyphozoan92
Coelenterates-Anthozoan88
Ectoprocts87
Polyplacophors84
Cumaceans84
Nebaliaceans82
 59
Bryozoans45
Rotifers38
Annelids-Hirundinea18
Platyhelminthes8
SpeciesNameSubscribers
zebra mussel - Dreissena polymorpha 382
Northern Snakehead - Channa argus 314
quagga mussel - Dreissena rostriformis 286
Silver Carp - Hypophthalmichthys molitrix 274
Black Carp - Mylopharyngodon piceus 273
Bighead Carp - Hypophthalmichthys nobilis 270
Round Goby - Neogobius melanostomus 242
Ruffe - Gymnocephalus cernua 221
lionfish - Pterois volitans/miles 132
regal demoiselle - Neopomacentrus cyanomos 1


Accessibility FOIA Privacy Policies and Notices

Take Pride in America logoU.S. Department of the Interior | U.S. Geological Survey
URL: https://nas.er.usgs.gov
Page Contact Information: Pam Fuller - NAS Program (pfuller@usgs.gov)
Page Last Modified: Wednesday, October 24, 2018

Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2018]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/14/2018].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Pam Fuller. For queries involving invertebrates, contact Amy Benson.