Rare deep-sea species “Kotokagera” caught in the Sea of Japan “Important discovery” Fukushima. Kotojellyfish is a type of creature called a ctenophora, which is mainly ball-shaped and floats in water.
It lives in waters deeper than 80 meters in the waters of Kagoshima and Okinawa prefectures. Its body is around 15 centimeters long, and it got its name because it resembles a harp, a musical instrument.