Alert System User Statistics



Total Users
919

StateSubscribers
California197
New York192
Florida188
Pennsylvania179
Oregon173
Texas165
Wisconsin162
Washington161
Michigan156
Louisiana150
Nevada150
Ohio150
Illinois149
Minnesota148
Alabama146
Idaho144
Mississippi139
Indiana138
Montana135
Massachusetts134
Virginia133
Vermont133
North Carolina133
New Hampshire133
Colorado132
Georgia132
New Jersey131
Wyoming130
Maryland130
Maine129
Arizona128
Utah127
Connecticut127
Arkansas125
Alaska124
West virginia119
Rhode Island119
South Carolina119
Oklahoma118
Missouri117
Delaware117
Iowa116
Tennessee116
Hawaii114
Kentucky112
Kansas111
South Dakota110
North Dakota108
New Mexico107
Nebraska100
District of Columbia99
Puerto Rico88
GroupSubscribers
Fishes346
Mollusks-Bivalves272
Crustaceans-Crayfish236
Mollusks-Gastropods231
Amphibians-Frogs208
Mammals201
Crustaceans-Crabs195
Reptiles-Snakes193
Amphibians-Salamanders191
Reptiles-Turtles188
Crustaceans-Shrimp182
Plants175
Crustaceans-Amphipods170
Crustaceans-Copepods167
Crustaceans-Cladocerans166
Reptiles-Crocodilians162
Mollusks-Cephalopods159
Crustaceans-Mysids157
Crustaceans-Isopods153
Reptiles-Lizards151
Coelenterates-Hydrozoans129
Annelids-Oligochaetes126
Crustaceans-Barnacles122
Entoprocts120
Mollusks-Nudibranchs113
Crustaceans-Lobsters105
Crustaceans-Ostracods98
Sponges98
Tunicates96
Annelids-Polychaetes93
Coelenterates-Scyphozoan92
Coelenterates-Anthozoan88
Ectoprocts87
Polyplacophors84
Cumaceans84
Nebaliaceans82
 59
Bryozoans40
Rotifers33
Annelids-Hirundinea14
Platyhelminthes5
SpeciesNameSubscribers
zebra mussel - Dreissena polymorpha 368
Northern Snakehead - Channa argus 304
quagga mussel - Dreissena rostriformis 272
Silver Carp - Hypophthalmichthys molitrix 267
Black Carp - Mylopharyngodon piceus 266
Bighead Carp - Hypophthalmichthys nobilis 263
Round Goby - Neogobius melanostomus 234
Ruffe - Gymnocephalus cernua 214
lionfish - Pterois volitans/miles 125
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 [10/21/2018].

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.