"Warm sea temperatures cause a 'dramatic drop' in herring catch"

Published 2025년 8월 4일

Tridge summary

Rising sea temperatures are rapidly altering the distribution of fish species in our waters. While production of cold-water species, such as herring and pollock, has significantly decreased, production of warm-water species like mackerel and seaweed has surged. On July 23, Noh Dong-jin, Chairman of the Central Federation of Fisheries Cooperatives, emphasized that "the changes in species-specific production caused by climate change are becoming a reality" and stressed that "extraordinary measures at the national level are urgently needed." According to preliminary statistics from the Central Federation of Fisheries Cooperatives, the total sales volume of aquatic products nationwide in the first half of 2025 (January to June) was 827,790 tons, a 28% increase from the same period last year. However, a closer look reveals a significant increase and decrease in specific species.

Original content

The rising sea temperatures are rapidly changing the distribution of fish species in our waters. While production of cold-water species like herring and pollock has significantly decreased, production of warm-water species such as mackerel and seaweed has surged. On July 23, Noh Dong-jin, Chairman of the National Fisheries Cooperatives Association, emphasized that "the changes in production of different fish species caused by climate change are becoming a reality" and called for "urgent and extraordinary measures at the national level." According to preliminary statistics from the National Fisheries Cooperatives Association, the total sales volume of aquatic products in the first half of 2025 (January to June) was 827,797 tons, a 28% increase from the same period last year. However, a closer look reveals a stark contrast in the increase and decrease of specific species. The items driving the increase in sales volume this first half were seaweed and mackerel. Seaweed recorded ...
Source: Fisheco

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