✋ 🐋 That's be one beach sand exfoliation treatment please #humpbackwhales #whales #environment #ocean #australia | These whales are rolling to exfoliate their skin at an underwater 'day spa' off Australia's Gold Coast. | Researchers also believe the humpbacks use these 'spa days' to socialise with each other. | as well as picking the old skin off the whales themselves. | The cameras also caught fish feeding on the exfoliated skin floating in the water, | Here, they perform acrobatic rolls on the sandy seabed to scratch off itchy skin and remove parasites. | The researchers used video-equipped sensors stuck to the whales' backs. | returning to their favourite spot in the ocean off the coast of Queensland. | Researchers have tracked a group of humpback whales during two migration seasons