At the end of April 2025, a team of scientists from the Azov-Black Sea branch of the Russian State Research Center “All-Russian Research Institute of Fisheries and Oceanography” (VNIRO) conducted a specialized hydrological voyage along the Sea of ​​Azov on the research vessel “Oleg Betin”.

On May 20, a meeting on the interim results of the spring flood was held at the residence of the Governor of the Astrakhan Region Igor Babushkin, in which the head of the Volga-Caspian branch of the State Research Center of the Russian Federation "All-Russian Research Institute of Fisheries and Oceanography" (VNIRO) Anatoly Bogachev made a report on the state of the flood situation in the Astrakhan Region in 2025.

Specialists from the fisheries ecology laboratory of the Tyumen branch of the Russian State Research Center of Fisheries and Oceanography (VNIRO) have completed long-term research in the Ob Bay. The scientific group was based in the area of ​​the village of Novy Port, a traditional place for monitoring the wintering of northern ichthyofauna.

From May 12 to 16, specialists from the Azov-Black Sea branch of the Russian State Research Center of Fisheries and Oceanography (VNIRO) conducted an expedition as part of state monitoring of the activities of enterprises for the artificial reproduction of pike perch and roach.

Successful artificial reproduction of valuable fish populations begins with the correct maintenance of broodstock. All fish farming processes are seasonal and subject to the life cycle of the fish.

Specialists from the Altai branch of the Russian State Research Center “All-Russian Research Institute of Fisheries and Oceanography” (VNIRO) conducted research on the Ob River within the Pervomaysky and Shelabolikha districts of the Altai Territory.

From May 4 to 14, leading specialist of the Department of Anadromous Fish of Russia of the Central Institute of the State Research Center of the Russian Federation "All-Russian Research Institute of Fisheries and Oceanography" (VNIRO) Shulgina E.V. conducted research at the Malkinsky salmon fish hatchery of the Federal State Budgetary Institution "Glavrybvod" (Klyuchevka River basin, Kamchatka Krai).

Specialists from the Polar Branch of the Russian State Research Center “All-Russian Research Institute of Fisheries and Oceanography” (VNIRO) conducted research work on board the vessel M-0269 “Strelets” in the Barents and Norwegian Seas, the Norwegian economic zone and the Svalbard archipelago area.

The specialists of the State Research Center of the Russian Federation “All-Russian Research Institute of Fisheries and Oceanography” (VNIRO) have prepared “Methodological recommendations for the histological examination of neoplasms in commercial fish species during veterinary and sanitary assessment”.

Specialists from the Krasnoyarsk branch of the Russian State Research Center of Fisheries and Oceanography (VNIRO) took part in the All-Russian Day without Nets campaign, which took place on May 16.