Review

Zooplankton in the areas of polynyas forming in the seas of the Arctic Ocean

V. G. Dvoretsky, A. G. Dvoretsky

Original papers

Composition and distribution of pelagic ostracods (Ostracoda: Myodocopa) in the Sea of Japan

V. G. Chavtur, A. G. Bashmanov

General morphology and ultrastructure of the cardiac complex of the chiton Stenosemus albus (Linnaeus, 1767) (Mollusca: Polyplacophora)

D. A. Ozerov, E. V. Vortsepneva, A. B. Tzetlin

The trematode Skrjabinolecithum spasskii Belous, 1954 (Digenea: Haploporidae), a parasite of mullets (Mugilidae) from Peter the Great Bay of the Sea of Japan and from Vietnam waters of the Gulf of Tonkin: morphology and molecular data

V. V. Besprozvannykh, D. M. Atopkin, H. D. Ngo, A. Yu. Beloded, A. V. Ermolenko, N. V. Ha, N. V. Tang

The Pacific electric ray Torpedo (Tetronarce) californica Ayres, 1855, the first of the order Torpediniformes in the waters of Russia, with comments on its range formation

V. N. Dolganov

Long-term dynamics and current distribution of macrozoobenthos communities in the eastern Gulf of Finland, Baltic Sea

A. A. Maximov

The peculiarities of the interrelation of antioxidant defense components and the role of low molecular antioxidants in the energy supply in the tissues of Anadara kagoshimensis (Tokunaga, 1906) (Bivalvia: Arcidae)

O. L. Gostyukhina, T. I. Andreenko

A variation in the content of lactate and alanine in the coelomic fluid of the sea urchin Mesocentrotus nudus (A. Agassiz, 1864) (Echinoidea: Strongylocentrotidae) indicates anaerobic glycolysis

K. A. Drozdov, A. L. Drozdov

Brief notes

Mycobiota of the bivalve mollusk Anadara broughtoni (Schrenck, 1867) (Bivalvia: Arcidae) from various parts of Peter the Great Bay, Sea of Japan

O. G. Borzykh, L. V. Zvereva

Obituary

Olga Mikhailovna Ivanova-Kazas, a classic and a legend of Russian science

V. V. Isaeva, A. V. Chernyshev

Instructions to authors