Welcome to the official website of Shirshov Institute of Oceanology of the Russian Academy of Sciences (IO RAS). Our Institute is the oldest and the largest Russian research center in the field of oceanology.
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Caspian Sea Day is celebrated on August 12, the day the Tehran Convention, signed by Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan in 2006, came into force. The Caspian Sea is the largest enclosed body of water on the planet, home… 
On July 22, 2026, Roman Vyacheslavovich Gorbunov, Doctor of Geographical Sciences and Acting Director of the Shirshov Institute of Oceanology of the Russian Academy of Sciences, turns 40. The Directorate of the Institute, colleagues, and friends congratulate Roman Vyacheslavovich on… 
Researchers from Shirshov Institute of Oceanology of the Russian Academy of Sciences have explained the nature of abnormally high tides in the Strait of Tartary in the Sea of Japan. In the Sea of Japan itself, the average tidal height… 
In the depths of Lake Beloye in the Ryazan Region, scientists from Shirshov Institute of Oceanology of the Russian Academy of Sciences made a discovery: according to their research, this lake is the deepest in Russia's Central Federal District, with… 
The conference took place from June 1 to 7, 2026, in Irkutsk and is traditionally held every two years. The "Marine Shores" working group is a public organization operating under the scientific and methodological guidance of the Russian Academy of… 
From June 30 to July 3, the 59th session of the Executive Council of the Intergovernmental Oceanographic Commission (IOC) of UNESCO was held in Paris. The session's agenda included a wide range of global oceanographic issues. A.A. Osadchiev and S.M.… 
The freshwater jellyfish Craspedocusta sowerbii, one of Russia's 100 most dangerous invasive species, was found in a reservoir in Astrakhan thanks to the vigilance of local residents. Live jellyfish were delivered to the Caspian Branch of the P.P. Shirshov Institute… 
During an expedition to the shores of the Caspian Sea within the Republic of Dagestan in May, changes in the coastline, beaches, cliffs, and aeolian forms of the Caspian coast were studied. The expedition was organized by the Southern Branch…
