Tue, Apr 01, 2025 page3

• CGA expels illegal fishers 77 times at Dongsha

  • By Yao Yue-hung and Yang Yuan-ting / Staff reporters
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  The Coast Guard Administration (CGA) has so far this year expelled Chinese fishing vessels 77 times and detained six small boats for illegally entering restricted waters near the Pratas Islands (Dongsha Islands, 東沙群島), the agency said on Sunday.

  The statement came a day after Academia Sinica Biodiversity Research Center chief executive officer Jeng Ming-shiou (鄭明修) said that the atoll, which is north of the South China sea and is rich in fishery resources, faces a severe threat from illegal fishing.

  The Dongsha Atoll National Park, Taiwan’s first marine national park, prohibits all commercial and private fishing in the area to protect its rich and abundant marine population.

  

  The Dongsha Atoll and the Pratas Islands (Dongsha Islands) are pictured in an undated photograph.

  Photo courtesy of Jeng Ming-shiou

  Jeng, who has led several diving teams to remove crown-of-thorns starfish that kill coral reefs in the area, said that last year he had seen Chinese fishers illegally enter restricted waters near the atoll and engage in cyanide fishing near coral reefs at night.

  Cyanide fishing is the practice of spraying a sodium cyanide solution into an area to catch fish alive.

  “These illegal Chinese fishing vessels mostly came from China’s Guangdong Province, and presumably they would ship the poisoned fishes to Guangdong or Hong Kong to sell,” Jeng said.

  Cyanide might accumulate in the bodies of people who often consume fish caught with the toxic chemical, increasing their risk for liver disease or cancer, while seawater contaminated by cyanide could cause fish in an area to disappear over a few years, destroying the marine ecosystem, he said.

  The CGA has been enforcing the fishing ban in the area, but fishing vessels are difficult to guard against, Jeng said.

  Sometimes vessels are escorted by China Coast Guard ships, and some park larger vessels outside the restricted waters and use smaller boats to engage in cyanide fishing, he added.

  In March 2016, the CGA stopped the Chinese vessel Ching Ching Fishing 05055 south of the Pratas Islands, finding three green sea turtles, 15,000kg of coral, 400kg of giant clams and six Triton snail (Charonia tritonis) shells, as well as 40kg of toxic chemicals onboard, Jeng and news reports at the time said.

  As little human activity occurs in the Pratas Islands, coral cover in nearby waters has been as high as 60 to 80 percent, but the corals are under threat from an outbreak of crown-of-thorns starfish in the past few years, he said.

  Triton snails are natural predators of crown-of-thorns starfish, but their population has fallen in part due to fishing, making crown-of-thorns starfish outbreaks more serious, he said.

  Illegal fishing is the main cause of environmental damage near Dongsha Atoll, and the China Coast Guard should not be aiding illegal fishing vessels, he said.

  The CGA has deployed larger vessels to patrol waters near Dongsha Atoll, and using multipurpose boats of the squad deployed on the island, it is protecting the area and closely monitoring the movements of Chinese vessels, to defend the nation’s sovereignty and ensure the sustainable development of marine resources in the area.
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