Alert System User Statistics



Total Users
1120

StateSubscribers
California238
New York227
Florida214
Pennsylvania213
Oregon208
Washington196
Wisconsin196
Texas191
Michigan186
Minnesota181
Idaho180
Nevada180
Illinois179
Ohio177
Louisiana169
Alabama167
Montana167
Indiana167
North Carolina159
Wyoming159
Mississippi158
Colorado158
Massachusetts157
Arizona156
New Jersey156
Virginia156
Vermont155
Georgia155
Maryland154
New Hampshire154
Utah153
Maine150
Connecticut148
Alaska147
Arkansas143
Iowa141
South Carolina141
Delaware140
West virginia139
Missouri138
Rhode Island138
Oklahoma137
Tennessee137
Kansas134
Kentucky131
Hawaii131
South Dakota130
North Dakota130
New Mexico129
Nebraska124
District of Columbia120
Puerto Rico102
GroupSubscribers
Fishes419
Marine Fishes395
Mollusks-Bivalves340
Crustaceans-Crayfish286
Mollusks-Gastropods285
Amphibians-Frogs251
Reptiles-Snakes236
Mammals236
Crustaceans-Crabs235
Amphibians-Salamanders231
Reptiles-Turtles227
Plants226
Crustaceans-Shrimp220
Crustaceans-Amphipods202
Crustaceans-Copepods198
Mollusks-Cephalopods198
Crustaceans-Cladocerans194
Reptiles-Crocodilians194
Crustaceans-Mysids192
Crustaceans-Isopods187
Reptiles-Lizards174
Coelenterates-Hydrozoans154
Annelids-Oligochaetes153
Crustaceans-Barnacles151
Entoprocts145
Mollusks-Nudibranchs110
Coelenterates-Scyphozoan109
Crustaceans-Lobsters103
Crustaceans-Ostracods96
Sponges96
Tunicates95
Annelids-Polychaetes91
Coelenterates-Anthozoan86
Ectoprocts85
Cumaceans83
Polyplacophors82
Nebaliaceans80
Bryozoans70
Rotifers61
Annelids-Hirundinea44
Platyhelminthes31
Birds11
Amphibians-Caecilians7
Algae7
SpeciesNameSubscribers
zebra mussel - Dreissena polymorpha 452
Northern Snakehead - Channa argus 364
quagga mussel - Dreissena rostriformis 348
Silver Carp - Hypophthalmichthys molitrix 329
Black Carp - Mylopharyngodon piceus 322
Bighead Carp - Hypophthalmichthys nobilis 320
Round Goby - Neogobius melanostomus 282
Ruffe - Gymnocephalus cernua 254
lionfish - Pterois volitans/miles 158
hydrilla - Hydrilla verticillata 43
Rusty Crayfish - Faxonius rusticus 39
dioecious hydrilla - Hydrilla verticillata [dioecious] 39
monoecious hydrilla - Hydrilla verticillata [monoecious] 39
Red Swamp Crayfish - Procambarus clarkii 35
common water - Eichhornia crassipes 34
starry stonewort - Nitellopsis obtusa 32
giant salvinia - Salvinia molesta 29
water chestnut - Trapa bispinosa 28
water chestnut - Trapa natans 27
Cuban Treefrog - Osteopilus septentrionalis 20
New Zealand mudsnail - Potamopyrgus antipodarum 3
red - Melanoides tuberculata 2
panther grouper - Chromileptes altivelis 1
African Jewelfish - Hemichromis letourneuxi 1
flowering rush - Butomus umbellatus 1
Nile perch - Lates niloticus 1
Asian clam - Corbicula fluminea 1
Northern Pike - Esox lucius 1
Blue Catfish - Ictalurus furcatus 1
bigeye lates - Lates mariae 1
American Bullfrog - Lithobates catesbeianus 1
unidentified rams - Helisoma sp. 1
suckermouth catfish - Hypostomus sp. 1
Cane Toad - Rhinella marina 1
Suckermouth Catfish - Hypostomus plecostomus 1
Regal Demoiselle - Neopomacentrus cyanomos 1
Jaguar Guapote - Parachromis managuensis 1
red discus - Symphysodon discus 1
Lowland Cichlid - Herichthys carpintis 1
European ear snail - Radix auricularia 1
Spotted Bass - Micropterus punctulatus 1
Chinese mitten crab - Eriocheir sinensis 1
a calanoid copepod - Eurytemora affinis 1
Bullseye Snakehead - Channa marulius 1
red devil - Amphilophus labiatus 1
Alabama Bass - Micropterus henshalli 1
Grass Carp - Ctenopharyngodon idella 1
Tanganyika lates - Lates angustifrons 1
giant applesnail - Pomacea maculata 1
Eurasian watermilfoil - Myriophyllum spicatum 1
Arizona Treefrog - Dryophytes wrightorum 1
Midas Cichlid - Amphilophus citrinellus 1
eastern happy - Astatotilapia calliptera 1
channeled applesnail - Pomacea canaliculata 1
Chanchita - Cichlasoma dimerus 1


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. [2022]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [7/2/2022].

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 general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.