Alert System User Statistics



Total Users
911

StateSubscribers
California196
New York189
Florida187
Pennsylvania177
Oregon173
Texas165
Wisconsin161
Washington160
Michigan155
Louisiana150
Nevada149
Illinois148
Minnesota147
Ohio147
Alabama145
Idaho144
Mississippi139
Indiana136
Montana135
Massachusetts134
Colorado132
Virginia132
Vermont132
North Carolina132
New Hampshire132
Georgia132
Wyoming130
Maryland129
New Jersey129
Maine129
Arizona128
Utah128
Connecticut126
Arkansas124
Alaska123
Rhode Island119
South Carolina119
Oklahoma118
West virginia118
Missouri117
Iowa116
Tennessee116
Delaware116
Hawaii114
Kentucky112
Kansas111
South Dakota110
North Dakota107
New Mexico107
Nebraska100
District of Columbia99
Puerto Rico88
GroupSubscribers
Fishes345
Mollusks-Bivalves271
Crustaceans-Crayfish235
Mollusks-Gastropods230
Amphibians-Frogs209
Mammals201
Crustaceans-Crabs194
Reptiles-Snakes193
Amphibians-Salamanders192
Reptiles-Turtles187
Crustaceans-Shrimp180
Plants176
Crustaceans-Amphipods169
Crustaceans-Copepods166
Crustaceans-Cladocerans165
Reptiles-Crocodilians163
Mollusks-Cephalopods158
Crustaceans-Mysids155
Crustaceans-Isopods152
Reptiles-Lizards152
Coelenterates-Hydrozoans128
Annelids-Oligochaetes125
Crustaceans-Barnacles121
Entoprocts119
Mollusks-Nudibranchs113
Crustaceans-Lobsters105
Crustaceans-Ostracods98
Sponges98
Tunicates96
Annelids-Polychaetes93
Coelenterates-Scyphozoan92
Coelenterates-Anthozoan88
Ectoprocts87
Polyplacophors84
Cumaceans84
Nebaliaceans82
 59
Bryozoans39
Rotifers33
Annelids-Hirundinea13
Platyhelminthes5
SpeciesNameSubscribers
zebra mussel - Dreissena polymorpha 366
Northern Snakehead - Channa argus 301
quagga mussel - Dreissena rostriformis 269
Silver Carp - Hypophthalmichthys molitrix 265
Black Carp - Mylopharyngodon piceus 264
Bighead Carp - Hypophthalmichthys nobilis 261
Round Goby - Neogobius melanostomus 231
Ruffe - Gymnocephalus cernua 212
lionfish - Pterois volitans/miles 123
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: 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 [8/20/2018].

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.