Right. Therefore, there were many cases reported that fishes got sluggish or nervous. In Japan and the other ocean countries, there is a saying that when Earthquake Fish is observed, a big earthquake will come. In fact, the species known as the Earthquake Fish lives in the deep sea only. They never come to the surface of the ocean, except when there are some signals they don't like in the deep sea, such as a large amount of strange gas released by deep-sea rock due to a leakage.
Right. Therefore, there were many cases reported that fishes got sluggish or nervous. In Japan and the other ocean countries, there is a saying that when Earthquake Fish is observed, a big earthquake will come. In fact, the species known as the Earthquake Fish lives in the deep sea only. They never come to the surface of the ocean, except when there are some signals they don't like in the deep sea, such as a large amount of strange gas released by deep-sea rock due to a leakage.