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Busan Metropolitan City Fisheries Resources Research Institute Holds Joint Release Event of 20,000 Juvenile Sawtooth Crabs Produced In-House

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Busan Metropolitan City Fisheries Resources Research Institute (hereinafter referred to as the Institute) announced that it will release 20,000 juvenile sawtooth crabs produced in-house into the Nakdong River estuary area today (21st) at 10:30 a.m., jointly with the Nakdong River Estuary Eco Center and the K-water Busan Regional Office, to support the recovery of coastal fisheries resources.

This release is jointly organized by the Institute, the Nakdong River Estuary Eco Center, and the K-water Busan Regional Office, and will be conducted as part of experiential education programs at the Eco Center to raise awareness of the importance of fisheries resource conservation.

The release will take place at the Eulsukdo Memorial Park kayak dock within the Nakdong River Estuary Eco Center, and will also promote activities related to fisheries resource recovery and coastal ecosystem conservation.

The sawtooth crab is a crustacean species widely distributed along the southern and western coasts of Korea. It is considered a high-value species and is a premium seafood ingredient used in various dishes such as soups and steamed dishes due to its mild flavor and firm texture.

However, its stock has been steadily declining due to coastal development, water pollution, and overfishing, making efforts to restore resources through artificial seed release increasingly important.

Since March of this year, the Institute has secured fertilized eggs from broodstock and successfully produced healthy juvenile crabs through hatching and rearing processes. The released juveniles are approximately 10 millimeters in carapace width.

These juveniles were raised under optimal water temperature and feeding conditions at the Institute’s seed production facility, and were grown to a sufficient size before release to improve survival rates in the natural environment.

The Nakdong River estuary, the release site, provides an optimal environment for growth and survival, with abundant organic matter and well-developed mudflats and aquatic vegetation that offer shelter.

Meanwhile, the Busan Metropolitan City Fisheries Resources Research Institute produces and releases millions of juvenile aquatic species of around 10 different types into Busan’s coastal waters each year, contributing to the recovery of fisheries resources and increased income for fishermen.

Kim Jun-tae, Director of the Busan Metropolitan City Fisheries Resources Research Institute, stated, “In addition to this sawtooth crab release, we plan to continue producing and releasing high-quality aquatic species such as olive flounder, black porgy, river puffer, mitten crab, and kuruma shrimp into Busan’s coastal waters. We will continue to do our utmost to restore fisheries resources so that fishermen’s incomes can increase and citizens can enjoy a healthy marine environment.”