600,000 Jjukkumi Released Along the Coasts of 5 Cities and Counties in Chungnam

600,000 West Sea endemic baby jjukkumi will be released along the coasts of five cities and counties in Chungnam.

The Chungnam Fisheries Resources Research Institute announced on the 27th that baby jjukkumi will be released along the coasts of Boryeong, Seosan, Dangjin, Taean, and Seocheon by the 7th of next month.

The jjukkumi to be released were produced by inducing spawning of mother jjukkumi caught off the coast of Boryeong from April to May, and measure 0.05 cm in size.

To increase the survival rate of the baby jjukkumi, the Fisheries Resources Research Institute plans to transport them by ship to the spawning grounds and then release them using a self-made release net.

The release net was designed to overcome the shortcomings of the existing oxygen vinyl bag, in which some cephalopods with suction cups on their legs stick inside the packaging and do not easily fall off during release.

Additionally, the Fisheries Resources Research Institute emphasizes that the net allows for rapid release, reducing the time the baby jjukkumi are exposed to external environments, thereby increasing their survival rate.

Jeon Byeong-du, director of the Chungnam Fisheries Resources Research Institute, said, “Jjukkumi resources are gradually decreasing due to the increase in fishing boats and overfishing. The release of baby jjukkumi will contribute to the recovery of coastal fishery resources and increase fishermen’s income.”

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