New issues of the journal "Problems of Ichthyology" are now available for reading and download: Volume 65, Issues 4 and 5, 2025.
Volume 65, Issue 4, 2025, Contents:
Description of larvae and fry of the cockscomb prickleback Alectrias alectrolophus (Stichaeidae) from Avacha Bay (southeastern coast of Kamchatka)
S. S. Grigoriev, N. A. Sedova
The olfactory organ of the barramundi Lates calcarifer (Latidae)
A. O. Kasumyan, N. I. Pashchenko, L. T. K. Oan
Morphological anomalies of the axial skeleton in ray-finned fishes (Leuciscidae) from the Saratov Reservoir
A. K. Mineev
On the location of a spawning male Eumicrotremus taranetzi with comments on its validity E. tartaricus (Cyclopteridae, Cottoidei)
O. S. Voskoboinikova
Differentiation and relationships of sea ravens (Hemitripteridae) based on DNA variability data
O. A. Radchenko, A. V. Petrovskaya, I. N. Moreva
Biological characteristics and fishery status of the sardin cisco Coregonus sardinella (Salmonidae) in the Yana River, Sakha Republic (Yakutia)
I. A. Petrov
Changes in the diet of pikeperch Sander lucioperca (Percidae) in the Kama Reservoir as a result of the invasion of an alien species – Black Sea sprat Clupeonella cultriventris (Ehiravidae)
S. N. Kazarinov, L. V. Merzlyakova, I. N. Merzlyakov, A. A. Karalash, E. Yu. Krainev, A. D. Bykov, P. B. Mikheev
The Effect of Short-Term Thyrotoxicosis and Hypothyroidism on the Rheoreaction of the Zebrafish Danio rerio (Danionidae)
D. S. Pavlov, V. Yu. Parshina, V. V. Kostin, V. M. Slivko, F. N. Shkil
Changes in Na+/K+-ATPase Activity and Lipid Composition of Pink Salmon Oncorhynchus gorbuscha (Salmonidae) Smolts During Their Downstream Migration in the Indera River (White Sea Basin)
E. I. Käiväräinen, N. L. Rendakov, S. N. Khurtina, D. I. Manoylova, D. A. Efremov, S. A. Murzina
Volume 65, No. 5, 2025, Contents:
Morphological and Genetic Diversity of the Pyzhyanoid Whitefish Coregonus lavaretus (Salmonidae) in Siberian Waters
N. A. Bochkarev
New Data on the Morphology of Myoxocephalus scorpioides (Cottidae) from Chaunskaya Bay, East Siberian Sea, and an Analysis of Variability in Some Species Diagnostic Traits
E. A. Poezzhalova-Chegodaeva
Genetic Variability and Relationships of Gymnocanthus pistilliger (Cottidae)
O. A. Radchenko, A. V. Petrovskaya
Zoogeographic Zoning of Northern European Russia Based on the Composition of Freshwater Ichthyofauna
A. P. Novoselov
Distribution and Some Biological Aspects of Lycodes cf. brashnikovi (Zoarcidae) off the Pacific coast of Kamchatka with comments on the species composition of the genus Lycodes in this area
Yu. K. Kurbanov
Biological parameters of Trachurus mediterraneus (Carangidae) in the coastal waters of southwestern Crimea in 2020–2022
P. I. Donchik
Duration of Embryonic and Larval Development of Chum Salmon Oncorhynchus keta (Salmonidae) on Sakhalin and Iturup Islands
V. G. Samarsky, A. M. Kaev, L. A. Zhivotovsky
The Effect of Temperature on Spontaneous Locomotor Activity of Endlicher's Polypterus endlicherii (Polypteridae)
A. O. Kasumyan, V. V. Zdanovich, V. V. Satayeva
Histological Structure of the Liver, Trunk Kidney, and Spleen of Potanin's Altai Osman Oreoleuciscus potanini (Leuciscidae) from an Isolated Population of Lake Kidelyu (Altai Republic)
N. I. Kochetkov, D. L. Nikiforov-Nikishin, G. A. Romanenko, D. G. Elizaryev, O. A. Cherenkov, V. A. Klimov, K. V. Gavrilin
Vol. 65, No. 5, 2025, Brief Reports:
Discovery of the Peacock Blenny Salaria pavo (Blenniidae) in the Kerch Strait (Crimean Peninsula) and Some of Its Ecological and Behavioral Characteristics
V. V. Shaganov
The issues are available at the following links: