Contents

Journal of Ichthyology

Vol. 66, No. 4, 2026

Species Diversity, Diagnostic Characters, and Distribution of Tubenose Gobies of the Genus Proterorhinus (Gobiidae): A New Species from the Caspian Sea Basin

E. D. Vasil’eva, M. A. Levina, S. A. Podolyako, I. S. Turbanov, and B. A. Levin p. 501  abstract

A New Species of the Paradise Goby (Rhinogobius, Gobiidae) from Inland Freshwaters of Korea

I. J. Moon, S. W. Yun, and J. Y. Park p. 513  abstract

A New Snake Eel Species of Bascanichthys (Ophichthidae) from the Bay of Bengal Supported by Morphology and Mitochondrial Analysis

E. R. Sangamithra, N. K. Suyani, A. Kathirvelpandian, R. K. Behera, S. Acharya, A. Mohapatra, K. Chakraborty, and T. T. Ajith Kumar p. 526  abstract

Pseudecheneis likimroensis, a New Species of the Sisorid Catfish (Sisoridae) from the Chindwin Basin, Nagaland, India

Y. Shekhumcha, P. Singh, Limatemjen, and L. Kosygin p. 535  abstract

Oreos (Oreosomatidae) of the World Ocean. 1. Species of the Genus Allocyttus

A. M. Orlov, D. V. Pelenev, and A. N. Kotlyar p. 544  abstract

Secondary Dispersal of Resident Lamprey Larvae (Petromyzontidae)

A. O. Zvezdin and A. V. Kolotei p. 587  abstract

Exploring Riverine Conditions and Their Impact on Fish Diversity: An Ecological Speciation Perspective

N. O. Melnik p. 598  abstract

Distribution and Size Composition of the Red Prickleback Ascoldia variegata (Opisthocentridae) in the Russian Waters of the Sea of Japan

V. V. Panchenko, A. A. Balanov, and D. V. Antonenko p. 612  abstract

Spatial Distribution and Feeding Migrations of Pacific Cod Gadus macrocephalus (Gadidae) in the Bering Sea during the Summer–Autumn Period

A. B. Savin p. 621  abstract

Application of Otolith Outline Analysis for Stock Differentiation of the Azov–Black Sea Anchovy Engraulis encrasicolus (Engraulidae)

M. V. Chesalin, V. N. Nikolsky, G. Akkuş, and A. K. Gücü p. 636  abstract

Ecological and Genetic Differentiation and Episodic Hybridization among Endemic Charr Species (Salvelinus, Salmonidae) from Ancient Lake El’gygytgyn, Chukotka: Available Genetic Evidence and Its Interpretation

A. G. Osinov p. 650  abstract

Monitoring the Status of a Russian Red Data Book Species, Mikizha Parasalmo mykiss (Salmonidae), in Rivers of Northwestern Kamchatka. 2. Long-Term Changes in Population Structure

K. V. Kuzishchin, M. A. Gruzdeva, A. V. Semenova, and D. S. Pavlov p. 664  abstract

Genetic Divergence in Catfish of Odisha (India) Based on DNA-Barcoding Data

S. Sura, S. Roy, A. K. Mishra, and J. K. Seth p. 706  abstract

SHORT COMMUNICATIONS

A New Species of the Genus Oneirodes and the First Record of O. micronema (Oneirodidae) in the Atlantic Ocean

A. M. Prokofiev and S. G. Kobyliansky p. 717  abstract

Erratum

Erratum to: Influence of Insecticides Diazinon and Endosulfan on Taste Reception in Persian Sturgeon Acipenser persicus (Acipenseridae)

B. Abtahi, H. Nabavi, V. Jafari-Shamushaki, R. Gorbani, and A. O. Kasumyan p. 723  abstract