Original papers

Long-term environmental impact of an oil spill in the southern part of Onega Bay, the White Sea

V. V. Andrianov, A. A. Lebedev, N. V. Neverova, L. P. Lukin, T. Ya.Vorobyeva, E. I. Sobko, E. A. Kobelev, T. Yu. Lisitsina, L. A. Samokhina, S. I. Klimov

Flabellina avachensis gen. et sp. n. - a new genus and species of the family Delesseriaceae (Rhodophyta) from the near Kamchatka waters of the Pacific Ocean

O. N. Selivanova, G. G. Zhigadlova

Distribution of zooplankton and bowhead whales, Balaena mysticetus Linnaeus, 1758, in Akademiya Bay, Sea of Okhotsk

V. V. Melnikov, Yu. V. Fedorets

Winter abundance and distribution of birds in western Peter the Great Bay, the Sea of Japan

I. M. Tiunov, O. A. Burkovsky

Seasonal dynamics and distribution of burrowing shrimp larvae of the infraorders Gebiidea and Axiidea in Amursky and Ussuriysky bays, the Sea of Japan

D. D. Golubinskaya, O. M. Korn, E. S. Kornienko

Morphofunctional characterization and ploidy levels of digestive gland cells in prosobranch gastropod molluscs (Prosobranchia: Gastropoda)

A. P. Anisimov, N. P. Tokmakova, N. E. Zyumchenko, I. A. Kirsanova

Seasonal dynamics of diarrhetic shellfish poisoning toxins in digestive gland of Crenomytilus grayanus (Dunker, 1853) analyzed by high-performance liquid chromatography with fluorometric detection

P. A. Kameneva, T. Yu. Orlova, A. B. Imbs

Distribution of macrobenthic epifauna in the Far Eastern Marine Reserve based on remote underwater video data

V. V. Zharikov, V. N. Lysenko

Brief notes

Calculation of the number of samples needed to estimate species richness of a taxocene

V. V. Sukhanov

Synodontidae (Pisces: Aulopiformes), a new family for fauna of Russia

V. V. Zemnukhov, E. I. Barabanshchikov, S. V. Turanov