Japan's beaches have become a graveyard for fish, with a significant number of sardines and mackerel washed ashore at Hamacho Beach in Hokkaido. This mysterious phenomenon has raised considerable concern among social media users, as activists shared videos showing millions of dead fish in the sea, with waves tossing them onto the shores of the Japanese island. Scientists have not been able to pinpoint the exact cause of the phenomenon, but one theory suggests that mass fish migration could result in death due to temperature changes in different water areas around the Japanese islands. Some attribute the phenomenon to fish's biological predictions of an impending major earthquake in the area, while others believe it could be linked to nuclear explosions occurring in the sea.