Mystery as 100 tonnes of dead herring wash up on Russian island leaving experts baffled. NEARLY 100 tonnes of dead fish have washed up on a Russian island in a mystery that’s left experts baffled.
Hundreds of thousands of Pacific herring were found dead over a 150ft stretch of Piltun Bay on Russia's Sakhalin Island.
Wildlife experts said the 93 tonnes of dead fish were piled up in 28 different clusters – some of them 12 inches thick.
A spokesman for the regional NGO Ecological