World’s largest coral colony found in Australia by citizen scientists

28 February,2026 11:28 AM IST |  Canberra  |  Agencies

A mother-daughter team of citizen scientists, Jan Pope and Sophie Kalkowski-Pope of Citizens of the Reef, have identified what researchers believe is the world`s largest documented coral colony on the Great Barrier Reef near Cairns, Queensland. The massive single colony of Pavona clavus, commonly known as elephant skin coral, stretches about 364

Mother-daughter pair Jan Pope (left) and Sophie Kalkowski-Pope discovered the colony. Pic Courtesy/Great Reef Census


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In a remarkable display of "people power," a mother-daughter team of citizen scientists - Jan Pope, a veteran diver with 35 years of experience, and her daughter Sophie Kalkowski-Pope, who serves as the marine operations coordinator for the conservation group Citizens of the Reef - has identified what researchers believe is the world's largest documented coral colony.

The massive structure, a single colony of Pavona clavus, commonly called "elephant skin" coral because of its wrinkled, plate-like texture, was found on the Great Barrier Reef near Cairns, Queensland. It stretches about 364 feet long, covering more than 4000 square meters.

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