Vol. 14, No. 5, 2021

Inland Water Biology

Biology, Morphology, and Systematics of Hydrobionts

Body Musculature and Fixation Features of Deropristis hispida (Trematoda, Deropristidae)

M. V. Yastrebov, I. V. Yastrebova and D. I. Smirnova p. 481 abstract

Taxonomic Composition of Silica-scaled Chrysophytes in a Tropical Mountain Reservoir

Hai Doan-Nhu, Tran Thi Tinh, E. S. Gusev, M. S. Kulikovskiy, Luom Phan-Tan and Lam Nguyen-Ngoc p. 490 abstract

Heterotrophic Flagellates from Mires of the North Caucasus, Russia

K. I. Prokina and D. A. Philippov p. 500 abstract

Two New Species of the Order Monhysterida Filipjev, 1929 (Nematoda) from the Van Uc River Mouth in Vietnam

V. G. Gagarin and Nguyễn Đình Tú’ p. 517 abstract

Phytoplankton, Phytobenthos, Phytoperyphyton

Epibiotic Macroalgae on Scallops and Oysters in Shallow Waters of Southern Primorye

I. R. Levenets, E. B. Lebedev and A. Yu. Baranov p. 528 abstract

Zooplankton, Zoobenthos, Zooperiphyton

Formation of Fouling Communities on Anthropogenic Surfaces in the Coastal Waters of the Black Sea

L. L. Smirnova, A. A. Koshkarov and O. S. Sizova p. 536 abstract

Zooplankton Distribution in the Middle Volga River Reservoirs in Areas Under the Influence of Tributaries

V. N. Podshivalina p. 546 abstract

Main Classes of Rheophilic Macroinvertebrates Communities and Their Regional Variability in Eurasia

M. V. Chertoprud p. 555 abstract

Structure of Macrozoobenthos in Floodplain Lakes under Conditions of Different Durations of Spring Flooding

A. A. Prokin and D. G. Seleznev p. 573 abstract

Environmental Factors Affecting Distribution of Caddisfly (Trichoptera) Larvae in Mountain Streams of Northeastern Turkey

Pınar Ekingen and Nilgün Kazancı p. 581 abstract

Ichthyology

Comparative Analysis of the Feeding Spectrum of Bream Abramis brama L. (Cyprinidae, Pisces) in Different Areas of the Rybinsk Reservoir

G. Kh. Shcherbina p. 590 abstract

Food Spectrum, Trophic and Length-Weight Characteristics of Nonindigenous Suckermouth Armored Catfishes Pterygoplichthys spp. (Loricariidae) in Vietnam

I. A. Stolbunov, V. A. Gusakov, Tran Duc Dien and Nguyen Thi Hai Thanh p. 597 abstract

Ecological Physiology and Biochemistry of Hydrobionts

Abnormalities of Muscle and Liver Tissues Structure in the Amur Sturgeon Acipenser schrenckii and Kaluga Huso dauricus (Acipenseridae)

V. N. Koshelev and G. I. Ruban p. 606 abstract

Brief Communications

First Data on the Fauna of Turbellaria in the Uglich Reservoir

E. M. Korgina p. 616 abstract

Finding of Longtail Dwarf Goby Knipowitschia longecaudata (Actinopterygii: Gobiidae) in the Upstream Part of Unregulated Section of the Volga River

Yu. V. Kodukhova and D. P. Karabanov p. 620 abstract