| SpeciesName | Subscribers |
| zebra mussel - Dreissena polymorpha | 423 |
| Northern Snakehead - Channa argus | 345 |
| quagga mussel - Dreissena rostriformis | 324 |
| Silver Carp - Hypophthalmichthys molitrix | 306 |
| Black Carp - Mylopharyngodon piceus | 303 |
| Bighead Carp - Hypophthalmichthys nobilis | 298 |
| Round Goby - Neogobius melanostomus | 267 |
| Ruffe - Gymnocephalus cernua | 245 |
| lionfish - Pterois volitans/miles | 150 |
| hydrilla - Hydrilla verticillata | 21 |
| Rusty Crayfish - Faxonius rusticus | 19 |
| dioecious hydrilla - Hydrilla verticillata [dioecious] | 18 |
| Red Swamp Crayfish - Procambarus clarkii | 18 |
| monoecious hydrilla - Hydrilla verticillata [monoecious] | 18 |
| giant salvinia - Salvinia molesta | 16 |
| floating water hyacinth - Pontederia crassipes | 16 |
| starry stonewort - Nitellopsis obtusa | 15 |
| water chestnut - Trapa natans | 15 |
| water chestnut - Trapa bispinosa | 15 |
| Cuban Treefrog - Osteopilus septentrionalis | 11 |
| New Zealand mudsnail - Potamopyrgus antipodarum | 2 |
| Cane Toad - Rhinella marina | 1 |
| Regal Demoiselle - Neopomacentrus cyanomos | 1 |
| red discus - Symphysodon discus | 1 |
| Chinese mitten crab - Eriocheir sinensis | 1 |
| a calanoid copepod - Eurytemora affinis | 1 |
| Asian clam - Corbicula fluminea | 1 |
| red - Melanoides tuberculata | 1 |
| Alabama Bass - Micropterus henshalli | 1 |
| giant applesnail - Pomacea maculata | 1 |
| channeled applesnail - Pomacea canaliculata | 1 |
| Arizona Treefrog - Hyla wrightorum | 1 |
