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Hallaniyat Islands

Aug. 12, 2026

A recent crude oil spill from the tanker Caroline Bezengi is threatening the pristine nature reserve near Oman's Hallaniyat Islands.

About Hallaniyat Islands:

  • The Hallaniyat Islands, also known as the Kuria Muria Islands, is an archipelago of five islands located off the southeastern coast of Oman in the Arabian Sea.
  • From west to east, the islands are Al-Hasikiyah, Al-Sawda, Al-Hallaniyah, Qarzawit, and Al-Qibliyah.
  • Al-Hallaniyah, the largest of the islands, is the only one inhabited.
  • The habitat is characterised by rocky patches, coral reefs, and sandy substrates.
  • The area overlaps with the Halaaniyaat Islands Key Biodiversity Area and the Oman Arabian Sea Ecologically or Biologically Significant Marine Area.
  • The shallow water of the islands is characterized by high diversity of corals, sponges, seaweeds, algae, fish, and other species.
  • The Arabian Sea here is defined by the Somali Current and seasonal upwelling that creates one of the most productive marine zones in the Indian Ocean.
  • Cold, nutrient-rich water rises from the deep during and after the monsoon season, fuelling plankton blooms that attract everything from whale sharks to humpback whales.
  • The islands have significant strategic importance, as they lie along sea routes connecting the Indian Ocean and Arabian Sea.

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