University of New Caledonia

Underwater grandmothers reveal big population of lethal sea snakes

A novel citizen science project in New Caledonia finds an ‘astonishing’ number of venomous reptiles in a popular swimming spot.

Fantastic grandmother Monique Mazière photographing sea snake number 79, nicknamed Déborah. Credit: Claire Goiran/UNC

A group of snorkelling grandmothers is helping scientists better understand marine ecology by photographing venomous sea snakes in waters off the city of Noumea, New Caledonia.

Two years ago the seven women, all in their 60s and 70s, who call themselves “the fantastic grandmothers”, offered to help scientists Dr Claire Goiran from the University of New Caledonia and Professor Rick Shine from Australia’s Macquarie University in their quest to document the sea snake population in a popular swimming spot known as Baie des citrons.

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