| SpeciesName | Subscribers |
| zebra mussel - Dreissena polymorpha | 373 |
| Northern Snakehead - Channa argus | 314 |
| quagga mussel - Dreissena bugensis | 303 |
| Silver Carp - Hypophthalmichthys molitrix | 274 |
| Bighead Carp - Hypophthalmichthys nobilis | 266 |
| Black Carp - Mylopharyngodon piceus | 266 |
| 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 |
| Grass Carp - Ctenopharyngodon idella | 5 |
| parrot feather - Myriophyllum aquaticum | 5 |
| Brazilian waterweed - Egeria densa | 4 |
| flowering rush - Butomus umbellatus | 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 morsus | 2 |
| 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 |
