The Digester

Thousands of Chinese vessels mass near disputed seas, raising regional alarms

Mar 13th 2026

Large flotillas of Chinese-flagged fishing and support vessels have gathered near disputed islands and shoals, prompting monitoring and diplomatic concern as analysts highlight safety and gray zone security risks.

  • Maritime trackers and regional officials report large concentrations of Chinese-flagged fishing and auxiliary vessels near contested features in the East and South China Seas.
  • Beijing says the boats are carrying out legitimate fishing and maritime activities while China Coast Guard vessels have increased patrols and escorts.
  • Analysts warn the fleets can function as gray zone maritime militia and increase risks of harassment, collisions and coercion without direct military action.
  • Neighboring governments and the United States are monitoring movements, issuing diplomatic protests and stepping up surveillance to reduce the chance of escalation.
  • Seasonal fishing moratoriums ending, state support for fleets and fleet consolidation are cited by experts as likely drivers of the massing.