1. Larval Settlement and the Reproductive Phenology of Sympathric Hermit Crabs in Temperate Waters

   • E. S. Kornienko

   REVIEW 17 September 2021 Pages: 241 - 248

2. The Egg Mortality in Walleye Pollock (Gadus chalcogrammus Pallas, 1814) during Embryogenesis in Waters off the Western Kamchatka Coast

   • A. V. Buslov
   • A. V. Smirnov

   ORIGINAL PAPERS 17 September 2021 Pages: 249 - 255

   

3. Long-Term Biomonitoring of Heavy Metal Pollution of Ussuri Bay, Sea of Japan

   • S. I. Kozhenkova
   • N. K. Khristoforova
   • A. D. Kobzar

   ORIGINAL PAPERS 17 September 2021 Pages: 256 - 264

   

4. The Diatom Flora (Bacillariophyta) of Kara-Bogaz-Gol Bay, the Caspian Sea: New Data

   • S. A. Bulatov

   ORIGINAL PAPERS 17 September 2021 Pages: 265 - 273

   

5. The Cyanobacteria of the Intertidal Zone of the Kola Bay of the Barents Sea: Species Composition and Ecology

   • E. S. Miroshnichenko

   ORIGINAL PAPERS 17 September 2021 Pages: 274 - 282

   

6. Catalase and Superoxide Dismutase Activity in Erythrocytes and the Methemoglobin Level in Blood of the Black Scorpionfish (Scorpaena porcus, Linnaeus 1758) Exposed to Acute Hypoxia

   • A. A. Soldatov
   • T. I. Andreenko
   • E. S. Kladchenko

   ORIGINAL PAPERS 17 September 2021 Pages: 283 - 289

   

7. The Effects of Polyphenolic Impurities in Fucoidan Samples from the Brown Alga Fucus distichus subsp. evanescens (C. Agardh) H.T. Powell, 1957 on the Embryogenesis in the Sea Urchin Strongylocentrotus intermedius (A. Agassiz, 1864) and on the Embryotoxic Action of Cucumarioside

   • M. I. Kiseleva
   • T. I. Imbs
   • I. Yu. Bakunina

   ORIGINAL PAPERS 17 September 2021 Pages: 290 - 299

   

8. Seasonal Changes in Hemolymph Parameters of the Bivalve Modiolus kurilensis Bernard, 1983 from Vostok Bay, Sea of Japan

   • A. V. Grinchenko
   • Y. N. Sokolnikova
   • V. V. Kumeiko

   ORIGINAL PAPERS 17 September 2021 Pages: 300 - 311

   

9. A Lipidomic Approach to the Study of Biodiversity of Symbiotic Dinoflagellates in Millepora Hydrocorals from Vietnam Coral Reefs

   • A. B. Imbs
   • E. V. Ermolenko
   • L. T. P. Dang

   ORIGINAL PAPERS 17 September 2021 Pages: 312 - 317

   

10. The First Record of a New Haul-Out Site of Ringed Seals, Pusa hispida (Schreber, 1775) (Phocidae), on Sakhalin Island

    • E. B. Lebedev
    • V. Ya. Kavun
    • A. M. Trukhin

    BRIEF NOTES 17 September 2021 Pages: 318 - 321

    

11. The Search of Polymorphic Microsatellite Loci for Sebastes taczanowskii Steindachner, 1880 (Sebastidae)

    • N. M. Batishcheva
    • V. A. Brykov

    BRIEF NOTES 17 September 2021 Pages: 322 - 324