In Mariupol, on the beach of the Left Bank district, citizens recorded the death of fish and dolphins.
The probable cause of the plague is disease, the adviser to the mayor of Mariupol reports Petro Andryushchenko in Telegram.
He explained that the mass death of fish occurs in the waters of the Sea of Azov, but during the period of abnormal heat, particularly in July.
"The epidemic is no longer just a threat, a reality," - he said.
However, given the indicators temperatures and season - the beginning of the sea of fish and the death of dolphins can only indicate the presence of the disease in seawater.
"The sea is currently one of the few places of hygiene for Mariupol residents, so the threat is no longer just a warning," Andryushchenko wrote.
We will remind, in the Black Sea since the beginning of the full-scale Russian invasion of Ukraine by explosions, as well as the impact of sonar several thousand dolphins died. The death toll has risen in recent weeks.
As EcoPolitics reported earlier, the Russian aggressors who invaded Mariupol resumed the operation of three pumping stations in the city. Because the sewer does not work, an ecological catastrophe may occur.