Contents

Journal of Ichthyology

Vol. 63, No. 1, 2023

Composition of Endemic Baikal Genus Cottocomephorus (Cottidae: Cottocomephorinae) with Revised Species Descriptions and Diagnoses

V. G. Sideleva p. 1  abstract

Pethia chakpiensis (Cyprinidae), a New Species of Cyprinid Fish from the Chindwin-Irrawaddy Drainage of Manipur, India

B. D. Shangningam and L. Kosygin p. 14  abstract

Differentiation of Arctic Charr Salvelinus alpinus Complex (Salmonidae) in Lakes Lama and Kapchuk (Taimyr) Based on Genetic Analysis, External Morphology, and Otolith Shape

D. A. Pavlov and A. G. Osinov p. 22  abstract

Variable Eyes Degeneration of the Cave Carp Sinocyclocheilus bicornutus (Cyprinidae) from Guizhou Province, Southwest China

H. Wen, Y. Wang, X. Yang, S. Yan, T. Luo, Y. He and J. Zhou p. 41  abstract

Seasonal Distribution and Size Composition of the Purplegray Sculpin Gymnocanthus detrisus off the Mainland Coast of the Russian Waters of the Sea of Japan

V. V. Panchenko, A. N. Vdovin and S. F. Solomatov p. 48  abstract

Distribution of the Notched fin eelpout Lycodes pectoralis (Zoarcidae) in the Northeastern Sea of Okhotsk during the Hydrological Summer

Yu. K. Kurbanov p. 59  abstract

Growth of the Whitefish Coregonus lavaretus (Salmonidae: Coregoninae) in the Ural Tributaries of the Pechora River

E. I. Boznak and V. I. Ponomarev p. 68  abstract

Scale-Based Study of Linear Growth Rate of Pink Salmon Oncorhynchus gorbuscha (Salmonidae)

A. M. Kaev, L. V. Romasenko and D. A. Kaev p. 79  abstract

Evolutionary and Ecological Aspects of the Population Structure Formation of Sockeye Salmon Oncorhynchus nerka (Salmonidae) in Western Kamchatka

A. M. Khrustaleva p. 90  abstract

The European Eel Anguilla anguilla (Anguillidae) Invasion by the Allochthone Nematode Anguillicoloïdes crassus in Southern Mediterranean

M. Tahri and M. Bensouilah p. 103  abstract

Variability in Parental Behavior of Lumpfish Cyclopterus lumpus (Cyclopteridae) under Changing Environmental Conditions

Yu. A. Zuyev and S. M. Rusyaev p. 112  abstract

Taste Preferences of Cyprinid Fishes (Cyprinidae). A Comparative Study

A. O. Kasumyan and O. M. Isaeva p. 119  abstract

Polyunsaturated Fatty Acid Content in the Muscles of Alien Fish Species of the Rybinsk Reservoir

Yu. Yu. Dgebuadze, N. N. Sushchik, Yu. V. Gerasimov, Yu. I. Solomatin and M. I. Gladyshev p. 147  abstract

Short Communications

First Record of the Family Emmelichthyidae in Mexico: Presence of Erythrocles monodi in the Southwestern Gulf of Mexico

L. F. Del Moral-Flores, I. H. Salgado-Ugarte and M. C. Alejo-Plata p. 156  abstract

Age-Related Melanism in Macroparalepis brevis (Paralepididae)

A. M. Prokofiev p. 161  abstract