Tasmanian beaches turn a glowing shade of blue

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A beach in Tasmania is currently glowing, but don't worry -- it's supposed to be like that.

Preservation Bay turned a bright shade of blue over the weekend, and Instagram was not disappointed.

See photos of the beach:

8 PHOTOS
Tasmanian beach turns a shocking, vibrant blue
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Tasmanian beach turns a shocking, vibrant blue
One of the most unbelievable things to witness with your own eyes. Storm clouds made an awesome back drop as well. Bioluminesence made an appearance close to home and it's the first time I can recall it happening in my region. #tasmaniasnorthwest #seeaustralia #tasmania #instatassie #ig_australia #ig_discover_australia #exploreaustralia #nikon #nikon_photography #tasmania #bioluminescence
Splash!! #bioluminescence at #rockycape last night 💙#discovertasmania #cradlecoasttasmania #instatasmania #tasmania #tasmaniagram #tassiegram #fujifilm_xseries #fujifilmxt10 #aussiephotos #thisistassie #SeeAustralia #Australia_shotz #tassiepics #ig_discover_australia #tasmaniasnorthernexposure #tassieshots
Blue bayou 💙🌏🌊
Chasing the bioluminescence in Burnie tonite
How could you not get in the ocean when you get a pretty welcome home from some rare bioluminescence plankton and a pod of dolphins 🐬🌊 it was worth the sandy feet and salty wet dress for the rest of the wedding ☺️ #bioluminescence #plankton #earthisamazing #protectouroceans
Bioluminesent algae bloom Somerset North West Coast Tasmania #Tasmania #Lovethisplace #northwesttasmania #tasmaniasnorthernexposure #Beach #northwestcoast #bioluminescence #discovertasmania #skyweatheraus @escapesnaps
#bioluminescence has been making a big 'splash' on the North West Coast over the last few days! 💙#rockycape #discovertasmania #cradlecoasttasmania #instatasmania #tasmania #tasmaniagram #tassiegram #fujifilm_xseries #fujifilmxt10 #aussiephotos #thisistassie #SeeAustralia #Australia_shotz #tassiepics #ig_discover_australia #tasmaniasnorthernexposure #tassieshots
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The glow comes from a bloom of bioluminescent algae, according to Mashable.

"It was very interesting watching this iridescent aquamarine color light up the waves as they crashed," photographer Brett Chatwin told The Advocate.

The algae are single-cell organisms called dinoflagellates (or "sea sparkle") which light up when threatened.

According to National Geographic, bioluminescence is both a defense against predators and an aid to help hunters seek their prey.

See other similar phenomenon:

10 PHOTOS
Bioluminescent creatures
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Bioluminescent creatures
Illumination of plankton at Maldives. Many particles at black background.
As the aurora conditions were looking good throughout the early evening, I headed out shortly before darkness to a local beach on Anglesey, and waited for the darkness and clouds to co-operate and hopefully show me some northern light. But once it got dark enough, I noticed that that the waves crashing onto the beach were sparkling and lighting up in electric-blue light. I've seen those before and recognised what it was straight away, so I was over the rocks from my original position and onto the beach in a shot.
Bioluminescent Sea Fireflies glowing like diamonds in the sand and water.
Bioluminescent tide (red tide) at La Jolla Cove glows under a crescent moon.
Bioluminescent algae Noctiluca Scintillans on the Maldivian islands.
Heart on the beach from bioluminescent algae Noctiluca Scintillans on the Maldivian islands.
A photo of red tide taken from Moonlight Beach in San Diego California. Red Tide is a phenomenon in which microscopic organisms called phytoplankton bloom rapidly causing a discoloration of the water. San Diegans are familiar with the brownish-red waters that commonly accumulate in the late summer along our coastline. I have always explained that âitâs like surfing in an ocean of iced teaâ⦠far from pleasant. However, when night falls, a bioluminescent glow begins. Any physical disturbance causes the organisms to âreactâ with a flash of brilliant blue light. This happens naturally when waves break, but also through personal interaction with the waters or wet sand. This year, weâve been treated to a particularly amazing display of Lingulodinium polyedrum, an intensely strong bioluminescent.
Illumination of plankton at Maldives. Many particles at black background.
On the beach at Rannalhi, Maldivian island of the South Male Atoll.Bioluminescence is the production of light by a living organism. During the night the beach comes alive with shining blue light brought ashore by the waves.
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