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Underwater exploration and Japanese fish discoveries

Underwater Exploration

A short and exciting tour to explore the life underwater and introduce you to typical Japanese fish in their natural habitat.

Yellowtail amberjack(Hiramasa)

Hiramasa is usually distributed in tropical and temperate seas south of Hokkaido, mainly in coastal and shallow waters. As you can see in this video, this fish often swims alone or in small schools and prey on migratory sardines, horse mackerels and chicken grunt gathering around peaks and rocks. In the first half of the video, the Hiramasa is about to launch his attack on a school of juvenile chicken grunts. In the second half if this video, the 1-meter Hiramasa swims slowly 7 to 8 meters below the sea surface, but once it has spotted potential preys, the Hiramasa will quickly begin to chase the baitfish with great agility. Because of the speed of this fish, sometime swimming at up to 50km/h, it is not easy to pull the line once captured, while at the same time, it is necessary to keep the fish away from the reefs if you want to avoid the risk of having the line cut by a rough rock. It is a big fish that can be found near the coast, making it one of the most popular target for all sport fishing lovers.