Alert System User Statistics



Total Users
973

StateSubscribers
California189
New York174
Florida174
Pennsylvania162
Oregon161
Texas154
Washington148
Wisconsin142
Nevada140
Louisiana140
Michigan138
Alabama137
Minnesota136
Ohio134
Idaho133
Illinois130
Mississippi129
Colorado128
Montana128
Georgia125
North Carolina123
Wyoming123
Maryland122
Massachusetts122
Virginia121
Arizona120
New Hampshire120
Indiana120
Utah120
New Jersey119
Maine118
Vermont118
Connecticut116
Alaska116
South Carolina112
Rhode Island110
West virginia110
Arkansas110
Oklahoma109
Iowa108
Delaware107
Hawaii106
Tennessee105
Missouri104
New Mexico103
Kansas103
South Dakota103
North Dakota100
Kentucky99
Nebraska94
District of Columbia89
Puerto Rico81
GroupSubscribers
Fishes331
Mollusks-Bivalves259
Crustaceans-Crayfish225
Mollusks-Gastropods217
Amphibians-Frogs200
Mammals188
Reptiles-Snakes186
Crustaceans-Crabs184
Amphibians-Salamanders184
Reptiles-Turtles179
Crustaceans-Shrimp171
Reptiles-Lizards159
Crustaceans-Amphipods157
Crustaceans-Copepods156
Crustaceans-Cladocerans154
Reptiles-Crocodilians153
Plants153
Mollusks-Cephalopods147
Crustaceans-Mysids145
Crustaceans-Isopods140
Mollusks-Nudibranchs125
Crustaceans-Barnacles122
Annelids-Oligochaetes118
Coelenterates-Hydrozoans117
Crustaceans-Lobsters116
Entoprocts110
Crustaceans-Ostracods109
Sponges107
Tunicates105
Coelenterates-Scyphozoan103
Annelids-Polychaetes103
Coelenterates-Anthozoan97
Ectoprocts96
Polyplacophors93
Cumaceans93
Nebaliaceans91
 27
Rotifers18
Bryozoans18
SpeciesNameSubscribers
zebra mussel - Dreissena polymorpha 340
Northern Snakehead - Channa argus 278
Silver Carp - Hypophthalmichthys molitrix 244
Black Carp - Mylopharyngodon piceus 241
Bighead Carp - Hypophthalmichthys nobilis 239
quagga mussel - Dreissena rostriformis 225
Round Goby - Neogobius melanostomus 213
Ruffe - Gymnocephalus cernua 198
lionfish - Pterois volitans/miles 110

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Take Pride in America logoU.S. Department of the Interior | U.S. Geological Survey
URL: http://nas.er.usgs.gov
Page Contact Information: Pam Fuller - NAS Program (pfuller@usgs.gov)
Page Last Modified: Friday, January 08, 2016

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. [2016]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [10/1/2016].

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