Kyiv claims to have hit more than 100 ships there in nine days.
The Sea of Azov is wedged between Russia, the Moscow military-occupied southern part of Ukraine, and the Russian-annexed Crimea.
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It is an important route for the export of agricultural products, including grain from occupied Ukraine, which Kyiv calls stolen, as well as for supplies to Crimea.
The strikes at sea were carried out after Ukraine sharply intensified long-range drone attacks deep into Russian territory, causing fuel shortages across the country.
“Currently, in cooperation with the relevant authorities and the business community, alternative shipping routes are being prepared,” the Russian Ministry of Agriculture said in a statement.
It emphasized that exports will continue.
“The situation in the Sea of Azov will not affect the domestic market’s food supply or our country’s export capacity,” the ministry said, adding that “if necessary, supply logistics will be redirected elsewhere.”
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The Russian Ministry of Transport said it “is taking all necessary measures to ensure the smooth operation of cargo logistics, given the increasing number of enemy attacks on the civilian fleet” in the Sea of Azov.
It added that if necessary, some “cargo will be redirected to other modes of transport.”
The commander of Ukraine’s drone forces said on Tuesday that Ukraine “hit 116 ships in the past nine days,” including several tankers and cargo ships in the Sea of Azov.
The commander said the goal was to damage Russia’s “shadow fleet” and restrict Russia’s fuel supply to Moscow-controlled Crimea.