The unusual scene of hundreds of fish leaping out of the water at the same time has been caught on video in several different cities in China. Some people say they are very worried that this abnormal behavior in fish may be a prelude to a major earthquake.

https://www.theepochtimes.com/schools-of-fish-jumping-frantically-out-of-the-water-observed-in-various-regions-in-china_3394021.html