Alert System User Statistics



Total Users
888

StateSubscribers
California191
Florida185
New York183
Pennsylvania172
Oregon169
Texas162
Washington156
Wisconsin154
Michigan149
Louisiana147
Nevada147
Alabama143
Illinois142
Ohio142
Minnesota141
Idaho140
Mississippi137
Montana132
North Carolina131
Indiana131
Georgia131
Colorado130
Virginia130
Massachusetts130
Vermont128
New Hampshire128
New Jersey127
Wyoming127
Maryland127
Utah125
Arizona125
Maine125
Connecticut123
Alaska120
Arkansas120
South Carolina118
West virginia116
Rhode Island115
Delaware114
Tennessee114
Oklahoma114
Iowa113
Missouri111
Hawaii110
Kentucky109
Kansas108
South Dakota106
New Mexico104
North Dakota103
District of Columbia97
Nebraska96
Puerto Rico86
GroupSubscribers
Fishes339
Mollusks-Bivalves265
Crustaceans-Crayfish230
Mollusks-Gastropods224
Amphibians-Frogs204
Mammals197
Reptiles-Snakes188
Crustaceans-Crabs188
Amphibians-Salamanders187
Reptiles-Turtles182
Crustaceans-Shrimp174
Plants171
Crustaceans-Amphipods163
Crustaceans-Copepods160
Crustaceans-Cladocerans160
Reptiles-Crocodilians158
Mollusks-Cephalopods152
Reptiles-Lizards152
Crustaceans-Mysids149
Crustaceans-Isopods146
Coelenterates-Hydrozoans124
Annelids-Oligochaetes122
Entoprocts115
Crustaceans-Barnacles114
Mollusks-Nudibranchs113
Crustaceans-Lobsters105
Crustaceans-Ostracods98
Sponges98
Tunicates96
Annelids-Polychaetes93
Coelenterates-Scyphozoan92
Coelenterates-Anthozoan88
Ectoprocts87
Polyplacophors84
Cumaceans84
Nebaliaceans82
 60
Bryozoans35
Rotifers31
Annelids-Hirundinea10
Platyhelminthes2
SpeciesNameSubscribers
zebra mussel - Dreissena polymorpha 361
Northern Snakehead - Channa argus 293
quagga mussel - Dreissena rostriformis 263
Silver Carp - Hypophthalmichthys molitrix 259
Black Carp - Mylopharyngodon piceus 257
Bighead Carp - Hypophthalmichthys nobilis 255
Round Goby - Neogobius melanostomus 226
Ruffe - Gymnocephalus cernua 207
lionfish - Pterois volitans/miles 119
regal demoiselle - Neopomacentrus cyanomos 1


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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: Thursday, January 26, 2017

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 [4/19/2018].

Additional information for authors