Contents

Russian Journal of Marine Biology

Vol. 51, No. 5, 2025

REVIEW

Taxonomic Diversity and Enzyme Systems of Hydrocarbon-Oxidizing Bacteria in the Marine Environment

E. A. Bogatyrenko, A. V. Kim, D. V. Dashkov, and D. A. Ammosova p. 225  abstract

ORIGINAL PAPERS

The Applicability of Pigmentation as a Diagnostic Character to Identify Larvae of Sand Lances of the Genus Ammodytes (Actinopterygii: Ammondytidae) Inhabiting the Sea of Japan

V. A. Shelekhov and A. V. Podlesnykh p. 235  abstract

Intravital Genotyping of the Japanese Sea Cucumber, Apostichopus japonicus (Selenka, 1867) (Echinodermata: Holothuroidea), for Aquaculture and Population Genetics Studies

V. D. Yagodina and Vl. A. Brykov p. 242  abstract

The Genetic Diversity of the Chemosymbiotic Bivalve Calyptogena pacifica Dall, 1891 (Vesicomyidae: Pliocardiinae)

D. A. Belov, A. V. Kremenetskaia, and E. M. Krylova p. 247  abstract

New Data on the Biology of Verasper moseri Jordan & Gilbert, 1898 (Actinopherygii: Pleuronectidae) from the Coastal Waters of Kunashir Island

A. O. Zolotov and A. V. Buslov p. 259  abstract

Microplastic Accumulation in Solen dactylus Cosel, 1989 (Bivalvia: Solenidae) along the Indus Delta, Pakistan

H. Moin, B. Tooba, M. Nawaz, D. A. Feroz, and R. Hadi p. 265  abstract

Cytotoxic Effect of a Crude Extract of Halichondria panicea (Porifera: Demospongiae) from the White Sea on Mouse 3T3 Balb Cells

N. S. Sharlaimova, O. A. Petukhova, E. V. Lomert, E. D. Bazhanova, K. A. Krasnov, N. Godefroy, and V. V. Khalaman p. 275  abstract

Mitotic Index of Endosymbiotic Dinoflagellates in the Sea Anemone Stichodactyla haddoni under Harsh Environmental Conditions of the Persian Gulf and the Gulf of Oman

Sarvenaz Bigham Soostani, Behrouz Zarei Darki, Morteza Yousefzadi, and Mohammad Sharif Ranjbar p. 290  abstract

Carbohydrate-Binding Protein MkC1qDC as an Effective Bacterial Agglutinin

D. N. Kozyrev, V. V. Kumeiko, A. M. Stenkova, K. I. Poteshkina, M. E. Shmelev, and A. V. Grinchenko p. 298  abstract

SHORT COMMUNICATIONS

Finding of Mating Helmet Crabs, Telmessus cheiragonus (Tilesius, 1815) (Decapoda: Cheiragonidae), in the Northern Sea of Okhotsk

S. M. Rusyaev and Yu. A. Zuyev p. 308  abstract