Alert System User Statistics



Total Users
947

StateSubscribers
California208
New York199
Florida192
Pennsylvania186
Oregon184
Texas172
Washington170
Wisconsin169
Michigan162
Nevada160
Illinois156
Ohio155
Minnesota154
Idaho154
Louisiana154
Alabama149
Montana144
Indiana144
Mississippi142
Colorado140
Vermont139
Massachusetts138
Arizona137
North Carolina137
New Hampshire137
Wyoming137
Georgia136
Virginia136
New Jersey136
Maryland135
Utah133
Maine133
Alaska133
Connecticut131
Arkansas130
Oklahoma125
Rhode Island123
South Carolina122
Iowa122
Delaware122
West virginia122
Missouri121
Hawaii120
Tennessee119
Kansas118
Kentucky115
South Dakota114
North Dakota112
New Mexico112
Nebraska107
District of Columbia103
Puerto Rico91
GroupSubscribers
Fishes363
Mollusks-Bivalves291
Crustaceans-Crayfish251
Mollusks-Gastropods246
Amphibians-Frogs221
Mammals212
Crustaceans-Crabs207
Reptiles-Snakes206
Amphibians-Salamanders202
Reptiles-Turtles200
Crustaceans-Shrimp192
Plants188
Crustaceans-Amphipods180
Crustaceans-Copepods178
Crustaceans-Cladocerans176
Crustaceans-Mysids169
Reptiles-Crocodilians169
Mollusks-Cephalopods169
Crustaceans-Isopods164
Reptiles-Lizards151
Coelenterates-Hydrozoans137
Annelids-Oligochaetes134
Crustaceans-Barnacles130
Entoprocts128
Mollusks-Nudibranchs113
Crustaceans-Lobsters105
Crustaceans-Ostracods98
Sponges98
Tunicates96
Annelids-Polychaetes93
Coelenterates-Scyphozoan92
Coelenterates-Anthozoan88
Ectoprocts87
Polyplacophors84
Cumaceans84
Nebaliaceans82
Bryozoans49
Rotifers43
Annelids-Hirundinea22
Platyhelminthes12
SpeciesNameSubscribers
zebra mussel - Dreissena polymorpha 389
Northern Snakehead - Channa argus 319
quagga mussel - Dreissena rostriformis 293
Silver Carp - Hypophthalmichthys molitrix 280
Black Carp - Mylopharyngodon piceus 278
Bighead Carp - Hypophthalmichthys nobilis 276
Round Goby - Neogobius melanostomus 247
Ruffe - Gymnocephalus cernua 227
lionfish - Pterois volitans/miles 136
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: Matthew Neilson - NAS Program (mneilson@usgs.gov)
Page Last Modified: Wednesday, March 14, 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. [2019]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/18/2019].

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 Matthew Neilson. For queries involving invertebrates, contact Amy Benson.