Alert System User Statistics



Total Users
895

StateSubscribers
California194
New York185
Florida185
Pennsylvania174
Oregon172
Texas164
Washington159
Wisconsin157
Michigan152
Louisiana148
Nevada148
Illinois145
Minnesota144
Ohio144
Alabama143
Idaho142
Mississippi137
Montana134
Indiana133
Massachusetts132
Colorado131
North Carolina131
Georgia131
New Hampshire130
Virginia130
Vermont130
Wyoming129
Maryland128
New Jersey128
Utah127
Arizona127
Maine127
Connecticut125
Alaska122
Arkansas122
South Carolina118
Rhode Island117
Oklahoma117
West virginia116
Delaware115
Missouri114
Iowa114
Tennessee114
Hawaii113
Kentucky109
Kansas109
South Dakota108
New Mexico106
North Dakota105
Nebraska98
District of Columbia98
Puerto Rico87
GroupSubscribers
Fishes340
Mollusks-Bivalves267
Crustaceans-Crayfish230
Mollusks-Gastropods226
Amphibians-Frogs206
Mammals198
Reptiles-Snakes190
Amphibians-Salamanders189
Crustaceans-Crabs189
Reptiles-Turtles184
Crustaceans-Shrimp175
Plants172
Crustaceans-Amphipods164
Crustaceans-Copepods161
Crustaceans-Cladocerans160
Reptiles-Crocodilians160
Mollusks-Cephalopods154
Reptiles-Lizards152
Crustaceans-Mysids150
Crustaceans-Isopods147
Coelenterates-Hydrozoans125
Annelids-Oligochaetes122
Entoprocts116
Crustaceans-Barnacles116
Mollusks-Nudibranchs113
Crustaceans-Lobsters105
Crustaceans-Ostracods98
Sponges98
Tunicates96
Annelids-Polychaetes93
Coelenterates-Scyphozoan92
Coelenterates-Anthozoan88
Ectoprocts87
Polyplacophors84
Cumaceans84
Nebaliaceans82
 59
Bryozoans36
Rotifers31
Annelids-Hirundinea10
Platyhelminthes3
SpeciesNameSubscribers
zebra mussel - Dreissena polymorpha 363
Northern Snakehead - Channa argus 295
quagga mussel - Dreissena rostriformis 265
Silver Carp - Hypophthalmichthys molitrix 261
Black Carp - Mylopharyngodon piceus 260
Bighead Carp - Hypophthalmichthys nobilis 257
Round Goby - Neogobius melanostomus 228
Ruffe - Gymnocephalus cernua 209
lionfish - Pterois volitans/miles 120
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 [6/20/2018].

Additional information for authors