Photo | Taxonomic Group | Family | Scientific Name (click for species profile) | Common Name | Continent of Origin |
| Algae | Prymnesiaceae | Prymnesium parvum | Golden algae | Unknown |
| Amphibians-Frogs | Pipidae | Xenopus laevis | African Clawed Frog | Africa |
| Annelids-Polychaetes | Ampharetidae | Hypania invalida | Bristle worm | Europe |
| Bryozoans | Fredericellidae | Fredericella sultana | Moss animal | Europe |
| Crustaceans-Amphipods | Corophiidae | Apocorophium lacustre | Scud | North America |
| Crustaceans-Amphipods | Corophiidae | Chelicorophium curvispinum | Caspian mud shrimp | Europe |
| Crustaceans-Amphipods | Gammaridae | Dikerogammarus haemobaphes | Demon shrimp | Europe |
| Crustaceans-Amphipods | Gammaridae | Dikerogammarus villosus | Killer shrimp | Europe |
| Crustaceans-Amphipods | Gammaridae | Echinogammarus warpachowskyi | Scud | Europe |
| Crustaceans-Amphipods | Pontogammaridae | Obesogammarus crassus | Thick scud | Europe |
| Crustaceans-Amphipods | Pontogammaridae | Obesogammarus obesus | Scud | Europe |
| Crustaceans-Amphipods | Pontogammaridae | Pontogammarus robustoides | Scud | Europe |
| Crustaceans-Cladocerans | Podonidae | Cornigerius maeoticus maeoticus | Water flea | Europe |
| Crustaceans-Cladocerans | Daphniidae | Daphnia cristata | Water flea | Europe |
| Crustaceans-Cladocerans | Leptastacidae | Paraleptastacus wilsoni | Harpacticoid Copepod | North America |
| Crustaceans-Copepods | Pseudodiaptomidae | Calanipeda aquaedulcis | Calanoid copepod | Europe |
| Crustaceans-Copepods | Cyclopidae | Cyclops kolensis | Cyclopoid copepod | Europe |
| Crustaceans-Copepods | Temoridae | Heterocope appendiculata | Calanoid copepod | Europe |
| Crustaceans-Copepods | Temoridae | Heterocope caspia | Calanoid copepod | Europe |
| Crustaceans-Copepods | Leptastacidae | Paraleptastacus spinicaudus | Harpacticoid copepod | Europe |
| Crustaceans-Crabs | Panopeidae | Rhithropanopeus harrisii | Harris mud crab | North America |
| Crustaceans-Crayfish | Astacidae | Astacus astacus | Noble Crayfish | Eurasia |
| Crustaceans-Crayfish | Parastacidae | Cherax destructor | Yabby | Australia |
| Crustaceans-Crayfish | Parastacidae | Cherax quadricarinatus | Australian redclaw crayfish | Australia |
| Crustaceans-Crayfish | Cambaridae | Faxonius limosus | Spinycheek Crayfish | North America |
| Crustaceans-Crayfish | Astacidae | Pacifastacus leniusculus | Signal Crayfish | North America |
| Crustaceans-Crayfish | Cambaridae | Procambarus virginalis | Marbled crayfish | North America |
| Crustaceans-Mysids | Mysidae | Limnomysis benedeni | Caspian slender shrimp | Europe |
| Crustaceans-Mysids | Mysidae | Paramysis (Mesomysis) intermedia | Opossum shrimp | Europe |
| Crustaceans-Mysids | Mysidae | Paramysis (Serrapalpisis) lacustris | Opossum shrimp | Europe |
| Crustaceans-Tanaids | Tanaidae | Sinelobus stanfordi | A tanaid | Unknown |
| Fishes | Cyprinidae | Alburnus alburnus | Bleak | Eurasia |
| Fishes | Clupeidae | Alosa chrysochloris | Skipjack Herring | North America |
| Fishes | Gobiidae | Babka gymnotrachelus | Racer goby | Europe |
| Fishes | Cyprinidae | Carassius carassius | Crucian carp | Eurasia |
| Fishes | Channidae | Channa argus | Northern Snakehead | Asia |
| Fishes | Clupeidae | Clupeonella cultriventris | Black and Caspian Sea sprat | Europe |
| Fishes | Cyprinidae | Cyprinella lutrensis | Red Shiner | North America |
| Fishes | Cyprinidae | Cyprinella whipplei | Steelcolor Shiner | North America |
| Fishes | Cyprinidae | Hypophthalmichthys molitrix | Silver Carp | Asia |
| Fishes | Cyprinidae | Hypophthalmichthys nobilis | Bighead Carp | Asia |
| Fishes | Ictaluridae | Ictalurus furcatus | Blue Catfish | North America |
| Fishes | Gobiidae | Knipowitschia caucasica | Caucasian dwarf goby | Europe |
| Fishes | Centrarchidae | Lepomis auritus | Redbreast Sunfish | North America |
| Fishes | Cyprinidae | Leuciscus idus | Ide | Eurasia |
| Fishes | Cyprinidae | Leuciscus leuciscus | Eurasian dace | Europe |
| Fishes | Cyprinidae | Mylopharyngodon piceus | Black Carp | Asia |
| Fishes | Gobiidae | Neogobius fluviatilis | Monkey goby | Europe |
| Fishes | Osmeridae | Osmerus eperlanus | European smelt | Europe |
| Fishes | Percidae | Perca fluviatilis | Eurasian perch | Europe |
| Fishes | Odontobutidae | Perccottus glenii | Amur sleeper | Asia |
| Fishes | Cyprinidae | Phoxinus phoxinus | Eurasian minnow | Eurasia |
| Fishes | Cyprinidae | Pseudorasbora parva | Stone Moroko | Asia |
| Fishes | Cyprinidae | Rutilus rutilus | Roach | Europe |
| Fishes | Percidae | Sander lucioperca | Zander | Eurasia |
| Fishes | Siluridae | Silurus glanis | Wels Catfish | Europe |
| Fishes | Syngnathidae | Syngnathus abaster | Shortsnouted pipefish | Europe |
| Fishes | Cyprinidae | Tinca tinca | Tench | Eurasia |
| Mollusks-Bivalves | Cardiidae | Hypanis (Monodacna) colorata | Colored lagoon cockle | Europe |
| Mollusks-Bivalves | Mytilidae | Limnoperna fortunei | Golden Mussel | Asia |
| Mollusks-Gastropods | Lithoglyphidae | Lithoglyphus naticoides | Gravel snail | Europe |
| Plants | Amaranthaceae | Alternanthera philoxeroides | Alligatorweed | South America |
| Plants | Poaceae | Arundo donax | Giantreed | Europe and Africa |
| Plants | Crassulaceae | Crassula helmsii | | Australia |
| Plants | Hydrocharitaceae | Egeria densa | Brazilian waterweed | South America |
| Plants | Hydrocharitaceae | Egeria najas | Narrowleaf anacharis | South America |
| Plants | Pontederiaceae | Eichhornia crassipes | Common water-hyacinth | South America |
| Plants | Primulaceae | Hottonia palustris | Featherfoil | Europe |
| Plants | Acanthaceae | Hygrophila polysperma | Indian swampweed | Asia |
| Plants | Balsaminaceae | Impatiens balfourii | Balfour's touch-me-not | Asia |
| Plants | Hydrocharitaceae | Lagarosiphon major | Oxygen-weed | Africa |
| Plants | Onagraceae | Ludwigia grandiflora | Large-flower primrose-willow | South and Central America |
| Plants | Primulaceae | Lysimachia punctata | Large yellow loosestrife | Europe |
| Plants | Pontederiaceae | Monochoria hastata | Monochoria | Asia |
| Plants | Haloragaceae | Myriophyllum aquaticum | Parrot feather | South America |
| Plants | Nelumbonaceae | Nelumbo nucifera | Sacred lotus | Asia |
| Plants | Apiaceae | Oenanthe javanica | Java waterdropwort | Asia |
| Plants | Araceae | Pistia stratiotes | Water lettuce | South and Central America |
| Plants | Salviniaceae | Salvinia minima | Water spangles | South America |
| Plants | Typhaceae | Sparganium erectum | Exotic bur-reed | Eurasia |
| Plants | Typhaceae | Typha laxmannii | Graceful cattail | Eurasia |
| Platyhelminthes | Leyogonomidae | Leyogonimus polyoon | Trematode flatworm | Europe |
| Reptiles-Turtles | Kinosternidae | Kinosternon subrubrum | Eastern Mud Turtle | North America |
| Reptiles-Turtles | Chelydridae | Macrochelys temminckii | Alligator Snapping Turtle | North America |
| Reptiles-Turtles | Emydidae | Pseudemys concinna | River Cooter | North America |
| Reptiles-Turtles | Emydidae | Trachemys scripta scripta | Yellow-bellied Slider | North America |
| Rotifers | Brachionidae | Brachionus leydigii | A rotifer | Unknown |
| Rotifers | Trochosphaeridae | Filinia cornuta | Wheel animal | Unknown |
| Rotifers | Filiniidae | Filinia passa | Wheel animal | Unknown |