Contents

Journal of Ichthyology

Vol. 65, No. 5, 2025

Species Diversity, Diagnostic Characters, and Distribution of Tubenose Gobies of the Genus Proterorhinus (Gobiidae): What are P. semipellucidus and P. nasalis?

E. D. Vasil’eva, V. P. Vasil’ev, E. A. Borovikova, M. A. Levina, and B. A. Levin p. 737  abstract

Morphological and Genetic Diversity of the Pidschian-Like Whitefish Coregonus lavaretus (Salmonidae) in the Water Bodies of Siberia, Russia

N. A. Bochkarev p. 753  abstract

New Data on the Morphology of Myoxocephalus scorpioides (Cottidae) from the Chaun Bay of the East Siberian Sea and Analysis of the Variability of Some Diagnostic Characters of the Species

E. A. Poezzhalova-Chegodaeva p. 770  abstract

Morphological Descriptions of Shuttles Mudskipper Periophthalmus modestus (Gobiidae: Oxudercinae) at Early Life Stages from a Large Tropical Estuary

L. C. Do and D. H. Tran p. 779  abstract

Unveiling a New Puntius Species from the Brahmaputra Drainage and Its Genetic Connections with Related Species

M. K. Singh, H. N. Anjanayappa, B. K. Das, D. Bhakta, and K. Kumari p. 791  abstract

Genetic Variability and Relationships of the Threaded Sculpin Gymnocanthus pistilliger (Cottidae)

O. A. Radchenko and A. V. Petrovskaya p. 804  abstract

Zoogeographical Zoning of Northern European Russia by the Composition of Freshwater Ichthyofauna

A. P. Novoselov p. 817  abstract

Bolivian Freshwater Stingrays (Potamotrygonidae): Species Characterization and Taxonomic Knowledge Update

H. Torrico-Destre, M. Careaga, and F. M. Carvajal-Vallejos p. 832  abstract

New Distributional Record of Two Flounders, Arnoglossus arabicus and A. macrolophus (Bothidae) from Northeastern Arabian Sea

S. Ragul, H. L. Parmar, G. Mahadevan, and R. Fricke p. 859  abstract

Distribution and Some Aspects of Biology of Lycodes cf. brashnikovi (Zoarcidae) with Notes on the Species Composition of Genus Lycodes off the Pacific Coast of Kamchatka

Yu. K. Kurbanov p. 867  abstract

Biological Parameters of Trachurus mediterraneus (Carangidae) off the Coast near Southwestern Crimea during the Period from 2020 to 2022

P. I. Donchik p. 878  abstract

Duration of Embryonic and Larval Development of Chum Salmon Oncorhynchus keta (Salmonidae) on Sakhalin and Iturup Islands

V. G. Samarsky, A. M. Kaev, and L. A. Zhivotovsky p. 890  abstract

Effect of Temperature on Spontaneous Locomotor Activity of the Saddler Bichir Polypterus endlicherii (Polypteridae)

A. O. Kasumyan, V. V. Zdanovich, and V. V. Sataeva p. 900  abstract

Histological Structure of Liver, Trunk Kidney and Spleen of the Altai Osman Oreoleuciscus potanini (Cyprinidae) from the Isolated Population of Lake Kidelyu (Altai Republic, Russia)

N. I. Kochetkov, D. L. Nikiforov-Nikishin, G. A. Romanenko, D. G. Elizariev, O. A. Cherenkov, V. A. Klimov, and K. V. Gavrilin p. 905  abstract

SHORT COMMUNICATIONS

Finding of the Peacock Blenny Salario pavo (Blennidae) in the Kerch Strait (Crimean Peninsula) and Some of its Ecological and Behavioral Features

V. V. Shaganov p. 917  abstract