1500 Ships Trapped In Hormuz Could Unleash Biggest Bioinvasion Event Once Trade Resumes

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Around 1500 ships remain stranded in the Strait of Hormuz, after it was closed by Iran on February 28, 2026, following U.S and Israeli attacks on the Islamic Republic. While the economic impact of trade disruption has been widely discussed, the ecological crisis has been largely ignored.

A recent study published in the journal Biological Invasions has mentioned that the mass lay-up will trigger a marine bioinvasion “super-spreader” event once maritime trade resumes.

The research was conducted by an international team of 24 marine scientists led by the University of Maryland Center for Environmental Science (UMCES) and the Woods Hole Oceanographic Institution (WHOI).

It warned that since ships have remained stationary for months, their hulls could…


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