Revised Diagnoses, Nomenclature, Distribution and Key for Identification of the Species of the Indo-Pacific Genus Laeops (Bothidae) E. P. VoroninaJ. MaclaineP. Pruvost OriginalPaper 06 January 2021 Pages: 801 - 827
A New Species of Batfish of the Genus Halicmetus from Vietnam and New Morphological Data for H. ruber (Ogcocephalidae) A. M. Prokofiev OriginalPaper 06 January 2021 Pages: 828 - 838
Regularities of Formation of Diversity of Life Strategy and Genetic Variability of The Kamchatka Rainbow Trout Parasalmo mykiss in a Local Population K. V. KuzishschinA. V. SemenovaD. S. Pavlov OriginalPaper 06 January 2021 Pages: 839 - 857
Variability of Siberian Taimen Hucho taimen (Salmonidae) of The Amur River N. S. RomanovP. B. Mikheev OriginalPaper 06 January 2021 Pages: 858 - 867
Dynamics of Diversity of Spined Loaches of Genus Cobitis, Inhabiting Caucasus, during the Anthropogenic Period According to the Data of Museum Collections. I. Morphological Variability and Diagnostic Characters of Cobitis saniae (Cobitidae) E. D. Vasil’evaV. P. Vasil’ev OriginalPaper 06 January 2021 Pages: 868 - 884
Effect of Urea and Thiourea on Migration Activity of Climbing Perch Anabas testudineus E. D. PavlovD. S. PavlovTran Duc Dien OriginalPaper 06 January 2021 Pages: 885 - 890
First Data on The age and Growth in Pacific Flatnose Antimora microlepis (Moridae) from the Waters of the Underwater Emperor Mountain Range (Northwestern Pacific) N. B. KorostelevA. A. BaytalyukA. M. Orlov OriginalPaper 06 January 2021 Pages: 891 - 899
Melanostigma bellingshauseni sp. n. (Zoarcidae): a New Pelagic Eelpout from Large Depths in the Central Part of the Kerguelen Plateau (Southern Ocean) M. V. OrlovskayaA. V. Balushkin OriginalPaper 06 January 2021 Pages: 900 - 908
Morphological and Genetic Diversity of Two Forms of Muksun Coregonus muksun (Salmonidae) of the Khatanga River Basin as a Key for Understanding the Phylogenetic Relationships between Muksun and Whitefish C. lavaretus E. A. BorovikovaYu. V. Budin OriginalPaper Open access 06 January 2021 Pages: 909 - 922
New Data on the Biology and Ecology of Bearded Eelpout Hadropogonichthys lindbergi (Zoarcidae) Yu. K. Kurbanov OriginalPaper 06 January 2021 Pages: 923 - 930
Azov Anchovy Engraulis encrasicolus maeoticus (Engraulidae) under the Sea of Azov Salinization in 2014–2018 T. V. YunevaV. N. NikolskyL. I. Bulli OriginalPaper 06 January 2021 Pages: 931 - 937
A New Species of Greeneye (Chlorophthalmidae) from the Waters of Vietnam A. M. Prokofiev SHORT COMMUNICATIONS 06 January 2021 Pages: 938 - 942
Proeumicrotremus gen. nov.—a New Genus for Eumicrotremus soldatovi (Cyclopteridae) O. S. VoskoboinikovaA. M. Orlov SHORT COMMUNICATIONS 06 January 2021 Pages: 943 - 946