Jellyfish and high water temperatures overlap in Pohang waters, raising concerns about fishery damage.

Published 2025년 8월 25일

Tridge summary

Director Choi Yong-seok of the National Fisheries Science Institute visited Pohang, Gyeongbuk, on the 20th to inspect the jellyfish collection site and the high-temperature response situation at the land-based aquaculture farm, and held a meeting with fishermen to listen to difficulties in the fishing industry. Currently, a preliminary warning for Nomura's jellyfish (27 July, 10 individuals/ha) and a preliminary special alert for high water temperature (12 August) have been issued for the Pohang waters. The high-temperature alert stages are divided as follows: a preliminary special alert when the water temperature reaches 25°C, a warning when it is predicted to reach 28°C, and an alert when it exceeds 28°C for more than three consecutive days. Nomura's jellyfish is a major cause of fishery damage, leading to gear loss, decreased catch, and reduced product quality.

Original content

Director Choi Yong-seok of the National Fisheries Research and Development Institute visited Pohang, North Gyeongsang Province, on the 20th to inspect the jellyfish collection site and the high-temperature response situation at land-based fish farms, and held a meeting with fishermen to listen to difficulties in the fishing industry. Currently, a preliminary warning for Nomura's jellyfish (27 July, 10 individuals/ha) and a preliminary special alert for high water temperatures (12 August) have been issued for the Pohang waters. The high-temperature alert stages are divided into preliminary special alert when the water temperature reaches 25℃, warning when it is predicted to reach 28℃, and alert when it exceeds 28℃ and continues for more than three days. Nomura's jellyfish is cited as a major cause of fishery damage, leading to gear loss, reduced catch, and decreased product quality. Although the density of occurrence is lower than last year, the Ulsan and North Gyeongsang Province ...
Source: Fisheco

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