| SpeciesName | Subscribers |
| zebra mussel - Dreissena polymorpha | 414 |
| Northern Snakehead - Channa argus | 340 |
| quagga mussel - Dreissena rostriformis | 317 |
| Silver Carp - Hypophthalmichthys molitrix | 302 |
| Black Carp - Mylopharyngodon piceus | 299 |
| Bighead Carp - Hypophthalmichthys nobilis | 295 |
| Round Goby - Neogobius melanostomus | 262 |
| Ruffe - Gymnocephalus cernua | 242 |
| lionfish - Pterois volitans/miles | 147 |
| hydrilla - Hydrilla verticillata | 15 |
| Rusty Crayfish - Faxonius rusticus | 14 |
| Red Swamp Crayfish - Procambarus clarkii | 13 |
| monoecious hydrilla - Hydrilla verticillata [monoecious] | 12 |
| floating waterhyacinth - Pontederia crassipes | 12 |
| dioecious hydrilla - Hydrilla verticillata [dioecious] | 12 |
| giant salvinia - Salvinia molesta | 12 |
| starry stonewort - Nitellopsis obtusa | 11 |
| water chestnut - Trapa bispinosa | 11 |
| water chestnut - Trapa natans | 10 |
| Cuban Treefrog - Osteopilus septentrionalis | 8 |
| New Zealand mudsnail - Potamopyrgus antipodarum | 1 |
| Arizona Treefrog - Hyla wrightorum | 1 |
| Asian clam - Corbicula fluminea | 1 |
| red - Melanoides tuberculata | 1 |
| Chinese mitten crab - Eriocheir sinensis | 1 |
| a calanoid copepod - Eurytemora affinis | 1 |
| giant applesnail - Pomacea maculata | 1 |
| channeled applesnail - Pomacea canaliculata | 1 |
| Cane Toad - Rhinella marina | 1 |
| Regal Demoiselle - Neopomacentrus cyanomos | 1 |
| red discus - Symphysodon discus | 1 |
