The “slumping” phenomenon is showing up again in 2026, says the Paran Ocean Citizen Science Centre, a group of divers who monitor the island’s UNESCO-listed soft corals, mostly around uninhabited ...

Ko Myeong-hyo loved the vibrant colour and thriving life of South Korea‘s soft corals when she first began diving off the coast of Jeju island six years ‌ago, looking to harvest seafood for sale.