Broadening the Taxonomic Composition of Diatoms (Bacillariophyta) in the Flora of the Lena River (Streams of the Western Slope of the Kharaulakh Range, Yakutia) S. I. GenkalV. A. Gabyshev AQUATIC FLORA AND FAUNA 25 August 2021 Pages: 349 - 356
Taxonomic Composition and Morphology of Silica-Scaled Chrysophytes of Some Left-Bank Volga Tributaries P. V. KulizinE. S. GusevA. G. Okhapkin BIOLOGY, MORPHOLOGY AND SYSTEMATICS OF HYDROBIONTS 25 August 2021 Pages: 357 - 367
Features of the Microbial Composition of the Belozersky Group Soda Lakes (Republic of Buryatia) S. V. ZaitsevaE. Yu. AbiduevaCh.-H. Sun WATER MICROBIOLOGY 25 August 2021 Pages: 368 - 376
Structure and Spatial Distribution of Planktonic Ciliates from the Middle and Lower Volga Reservoirs S. V. Bykova ZOOPLANKTON, ZOOBENTHOS, ZOOPERIPHYTON 25 August 2021 Pages: 377 - 390
Efficiency of Transfer of Essential Substances from Phytoplankton to Planktonic Crustaceans in Mesotrophic Lake Obsterno (Belarus) Zh. F. BusevaM. I. GladyshevV. P. Semenchenko ZOOPLANKTON, ZOOBENTHOS, ZOOPERIPHYTON 25 August 2021 Pages: 391 - 400
Specific Features of the Macrozoobenthic Communities of Small Arctic Lakes in Eurasia M. V. ChertoprudS. V. KrylenkoE. S. Chertoprud ZOOPLANKTON, ZOOBENTHOS, ZOOPERIPHYTON Open access 25 August 2021 Pages: 401 - 414
Long-Term Dynamics of Zooplankton in the Kama and Votkinsk Reservoirs E. M. TselishchevaV. I. Lazareva ZOOPLANKTON, ZOOBENTHOS, ZOOPERIPHYTON 25 August 2021 Pages: 415 - 426
Changes in Phytoplankton and Zooplankton Abundance and Diversity in Macrophyte-dominated and Open Pelagic Ecosystem of Shallow Reservoirs Zati Sharip ZOOPLANKTON, ZOOBENTHOS, ZOOPERIPHYTON 25 August 2021 Pages: 427 - 437
Relations between the Food Spectrum of Fishes and the Composition of Zooplankton and Benthos in a Subarctic Lake N. A. BerezinaL. F. LitvinchukA. A. Maximov ICHTHYOLOGY 25 August 2021 Pages: 438 - 448
Organization and Function of Osmotically Active Fraction of Fish (Pisces) Plasma Proteome (Overview) A. M. Andreeva ECOLOGICAL PHYSIOLOGY AND BIOCHEMISTRY OF HYDROBIONTS 25 August 2021 Pages: 449 - 460
Effects of Exposure to Cypermethrin and Thiourea on Redox Status, Activities of Phosphatases and Digestive Enzymes, and Intestinal Histopathology in African Catfish, Clarias gariepinus Joseph A. Adeyemi AQUATIC TOXICOLOGY 25 August 2021 Pages: 461 - 468
Materials to the Fauna of Marsh Beetles (Coleoptera: Scirtidae) of the Primorsky Krai Protected Areas, with Notes on Synonymy A. S. SazhnevM. E. Sergeev BRIEF COMMUNICATIONS 25 August 2021 Pages: 469 - 475
Biomass of the Population of Invasive Gmelinoides fasciatus (Crustacea: Amphipoda), Its Production during the Vegetation Season, and Its Bioresource Value in Lake Onega I. A. BaryshevA. I. SidorovaN. M. Kalinkina BRIEF COMMUNICATIONS 25 August 2021 Pages: 476 - 478
Erratum to: Taxonomic Composition and Distribution of Alien Suckermouth Armored Catfish (Siluriformes: Loricariidae) in Southern Vietnam I. A. StolbunovTran Duc DienD. P. Karabanov Erratum 25 August 2021 Pages: 479 - 479