| Group | Taxon | Author |
| Benthos | Abra ovata | (Phill.) |
| Caspiastacus pachypus | Rathke |
| Dreissena rostriformis | LogvStar |
| Gammarus pauxillus | Grimm |
| Hypanis angusticostata | |
| Pontastacus eichwaldi | |
| Fishes | Abramis brama orientalis | Berg |
| Acipenser gueldenstaedtii | Brandt & Ratzeburg, 1833 |
| Acipenser nudiventris | Lovetsky, 1828 |
| Acipenser persicus | Borodin, 1897 |
| Acipenser stellatus | Pallas |
| Alosa kessleri kessleri | (Grimm) |
| Alosa saposchnikowii | (Grimm, 1887) |
| Atherina boyeri | Risso, 1810 |
| Benthophilus stellatus | |
| Clupeonella cultriventris | (Nordmann, 1840) |
| Clupeonella engrauliformis | Borodin |
| Cyprinus carpio | (L.) |
| Huso huso | (Linnaeus, 1758) |
| Liza aurata | (Risso, 1810) |
| Liza saliens | Risso |
| Neogobius melanostomus | (Pallas) |
| Rutilus frisii | (Nordmann, 1840) |
| Rutilus rutilus | (Linnaeus, 1758) |
| Salmo trutta caspius | Kessler |
| Stenodus leucichthys | (Guld.) |
| Stizostedion lucioperca | (L.) |
| Phytoplankton | Dactyliosolen fragilissimus | (Bergon) G. R. Hasle, 1991 |
| Exuviaella cordata | |
| Psevdosolenia calcar-avis | M. Schultze |
| Zooplankton | Acartia tonsa | Dana, 1849 |
| Cercopagis pengoi | (Ostroumov, 1891) |
| Eurytemora grimmi | (Sars, 1897) |
| Mnemiopsis leidyi | A. Agassiz, 1865 |