| SpeciesName | Subscribers |
| zebra mussel - Dreissena polymorpha | 436 |
| Northern Snakehead - Channa argus | 352 |
| quagga mussel - Dreissena rostriformis | 337 |
| Silver Carp - Hypophthalmichthys molitrix | 313 |
| Black Carp - Mylopharyngodon piceus | 310 |
| Bighead Carp - Hypophthalmichthys nobilis | 305 |
| Round Goby - Neogobius melanostomus | 274 |
| Ruffe - Gymnocephalus cernua | 250 |
| lionfish - Pterois volitans/miles | 154 |
| hydrilla - Hydrilla verticillata | 31 |
| dioecious hydrilla - Hydrilla verticillata [dioecious] | 28 |
| monoecious hydrilla - Hydrilla verticillata [monoecious] | 28 |
| Rusty Crayfish - Faxonius rusticus | 27 |
| common water - Eichhornia crassipes | 25 |
| Red Swamp Crayfish - Procambarus clarkii | 24 |
| starry stonewort - Nitellopsis obtusa | 24 |
| giant salvinia - Salvinia molesta | 23 |
| water chestnut - Trapa natans | 22 |
| water chestnut - Trapa bispinosa | 22 |
| Cuban Treefrog - Osteopilus septentrionalis | 15 |
| New Zealand mudsnail - Potamopyrgus antipodarum | 3 |
| red - Melanoides tuberculata | 2 |
| African Jewelfish - Hemichromis letourneuxi | 1 |
| flowering rush - Butomus umbellatus | 1 |
| Asian clam - Corbicula fluminea | 1 |
| Northern Pike - Esox lucius | 1 |
| Alabama Bass - Micropterus henshalli | 1 |
| red devil - Amphilophus labiatus | 1 |
| giant applesnail - Pomacea maculata | 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 |
| 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 |
| Chinese mitten crab - Eriocheir sinensis | 1 |
| a calanoid copepod - Eurytemora affinis | 1 |
| Bullseye Snakehead - Channa marulius | 1 |
| American Bullfrog - Lithobates catesbeianus | 1 |
