A researcher has recorded three sharks in a "threesome", or ménage à trois , marking a scientific first.

Hugo Lassauce, a marine biologist and a researcher from the University of the Sunshine Coast in Australia, was snorkeling off New Caledonia, a French territory west of the coast of Queensland, Australia, when he spotted the trio of endangered Indo-Pacific leopard sharks having a bit of fun, according to Storyful. Lassauce recorded the sharks' underwater tango.

The video shows two male sharks mating with a female in quick succession, according to Storyful. The fun lasted 110 seconds, marking the first recorded case of leopard sharks mating in the wild.

"It’s rare to witness sharks mating in the wild, but to see it with an endangered species – and film the event – was so exciting

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