Alert System User Statistics



Total Users
968

StateSubscribers
California190
New York190
Florida187
Oregon179
Pennsylvania177
Washington175
Michigan166
Texas161
Wisconsin160
Idaho158
Minnesota153
Illinois152
Ohio152
Louisiana148
Nevada145
Indiana143
Montana140
Colorado139
Alabama139
Mississippi137
Maryland137
Wyoming136
Virginia133
Massachusetts133
Georgia132
North Carolina131
New Hampshire131
New Jersey131
Utah130
Maine130
Vermont128
Alaska127
Arizona125
Delaware124
Connecticut124
Iowa123
Tennessee122
Missouri122
South Carolina122
Kansas121
West virginia120
Oklahoma119
Arkansas119
Rhode Island117
New Mexico115
Kentucky114
North Dakota114
South Dakota113
Hawaii113
Nebraska110
District of Columbia107
Puerto Rico90
GroupSubscribers
Fishes337
Marine Fishes286
Mollusks-Bivalves277
Crustaceans-Crayfish231
Mollusks-Gastropods228
Amphibians-Frogs193
Crustaceans-Crabs190
Mammals189
Reptiles-Snakes183
Reptiles-Turtles182
Plants181
Amphibians-Salamanders176
Crustaceans-Shrimp174
Mollusks-Cephalopods162
Crustaceans-Copepods152
Reptiles-Crocodilians151
Crustaceans-Amphipods150
Crustaceans-Cladocerans146
Crustaceans-Isopods144
Reptiles-Lizards140
Crustaceans-Mysids136
Crustaceans-Barnacles114
Annelids-Oligochaetes112
Coelenterates-Hydrozoans111
Entoprocts103
Coelenterates-Scyphozoan81
Mollusks-Nudibranchs68
Bryozoans66
Crustaceans-Lobsters58
Tunicates57
Rotifers57
Sponges57
Crustaceans-Ostracods53
Coelenterates-Anthozoan51
Annelids-Polychaetes51
Ectoprocts48
Annelids-Hirundinea45
Cumaceans44
Polyplacophors44
Nebaliaceans44
Algae36
Platyhelminthes35
Amphibians-Caecilians30
Birds7
Nematodes2
SpeciesNameSubscribers
zebra mussel - Dreissena polymorpha 373
Northern Snakehead - Channa argus 313
quagga mussel - Dreissena bugensis 303
Silver Carp - Hypophthalmichthys molitrix 273
Bighead Carp - Hypophthalmichthys nobilis 265
Black Carp - Mylopharyngodon piceus 265
Round Goby - Neogobius melanostomus 236
Ruffe - Gymnocephalus cernua 210
lionfish - Pterois volitans/miles 136
Rusty Crayfish - Faxonius rusticus 88
Red Swamp Crayfish - Procambarus clarkii 87
hydrilla - Hydrilla verticillata 85
wandering hydrilla - Hydrilla verticillata 73
whorled hydrilla - Hydrilla verticillata 72
common water - Eichhornia crassipes 67
starry stonewort - Nitellopsis obtusa 65
giant salvinia - Salvinia molesta 57
water chestnut - Trapa bispinosa 55
water chestnut - Trapa natans 53
Cuban Treefrog - Osteopilus septentrionalis 43
New Zealand mudsnail - Potamopyrgus antipodarum 8
Eurasian watermilfoil - Myriophyllum spicatum 6
yellow floating - Nymphoides peltata 5
parrot feather - Myriophyllum aquaticum 5
Brazilian waterweed - Egeria densa 4
flowering rush - Butomus umbellatus 4
Grass Carp - Ctenopharyngodon idella 4
green crab - Carcinus maenas 4
basket clam - Corbicula fluminea 3
Chinese mysterysnail - Cipangopaludina chinensis 3
marbled crayfish - Procambarus virginalis 3
giant applesnail - Pomacea maculata 3
Blue Catfish - Ictalurus furcatus 3
red - Melanoides tuberculata 3
variable - Myriophyllum heterophyllum 3
Prussian carp - Carassius gibelio 2
Carolina fanwort - Cabomba caroliniana 2
Flathead Catfish - Pylodictis olivaris 2
channeled applesnail - Pomacea canaliculata 2
ranae - Hydrocharis morsus2
brittle waternymph - Najas minor 2
Sea Lamprey - Petromyzon marinus 2
Virile Crayfish - Faxonius virilis 2
Japanese mysterysnail - Cipangopaludina japonica 2
Chinese mitten crab - Eriocheir sinensis 2
Australian redclaw crayfish - Cherax quadricarinatus 2
Freshwater Tubenose Goby - Proterorhinus semilunaris 1
crested floating - Nymphoides cristata 1
Freshwater Drum - Aplodinotus grunniens 1
East Asian river prawn - Macrobrachium nipponense 1
purple loosestrife - Lythrum salicaria 1
floating primrose - Ludwigia peploides 1
Eastern Mosquitofish - Gambusia holbrooki 1
curly - Potamogeton crispus 1
a calanoid copepod - Eurytemora affinis 1
mud bithynia - Bithynia tentaculata 1
Yellow Bass - Morone mississippiensis 1
unidentified rams - Helisoma sp. 1
suckermouth catfish - Hypostomus sp. 1
spiny waterflea - Bythotrephes longimanus 1
Chinese pond mussel - Sinanodonta woodiana 1
White Perch - Morone americana 1
Lowland Cichlid - Herichthys carpintis 1
hybrid watermilfoil - Myriophyllum sibiricum × spicatum 1
Spotted Bass - Micropterus punctulatus 1
European ear snail - Radix auricularia 1
holly - Najas marina 1
grassy arrowhead - Sagittaria graminea 1
Midas Cichlid - Amphilophus citrinellus 1
eastern happy - Astatotilapia calliptera 1
fishhook waterflea - Cercopagis pengoi 1
Goldline Snakehead - Channa aurolineata 1
Arizona Treefrog - Dryophytes wrightorum 1
common reed - Phragmites australis 1
American white waterlily - Nymphaea odorata 1
Chanchita - Cichlasoma dimerus 1
Tanganyika lates - Lates angustifrons 1
Alabama Bass - Micropterus henshalli 1
West Indian spongeplant - Limnobium laevigatum 1
waterwheel plant - Aldrovanda vesiculosa 1
Western Mosquitofish - Gambusia affinis 1
red devil - Amphilophus labiatus 1
water milfoil - Myriophyllum sp. 1
White River crawfish - Procambarus acutus 1
Cane Toad - Rhinella marina 1
Suckermouth Catfish - Hypostomus plecostomus 1
Regal Demoiselle - Neopomacentrus cyanomos 1
northern hydrilla - Hydrilla verticillata 1
Jaguar Guapote - Parachromis managuensis 1
red discus - Symphysodon discus 1
six petal water primrose - Ludwigia hexapetala 1
bigeye lates - Lates mariae 1
Southern White River Crayfish - Procambarus zonangulus 1
Threadfin Shad - Dorosoma petenense 1
Cuban bulrush - Cyperus blepharoleptos 1
American Bullfrog - Lithobates catesbeianus 1
Grass Carp (diploid) - Ctenopharyngodon idella 1
cutleaf watermilfoil - Myriophyllum pinnatum 1
Nile perch - Lates niloticus 1
Northern Pike - Esox lucius 1
Asian Swamp Eel - Monopterus albus 1
African Jewelfish - Hemichromis letourneuxi 1
floatingheart - Nymphoides sp. 1
Rudd - Scardinius erythrophthalmus 1
Allegheny crayfish - Faxonius obscurus 1
Panther Grouper - Chromileptes altivelis 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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [7/15/2024].

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.