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China: Stunning Bioluminescent Glow Lights Up Eastern Weihai Beach

On June 4, 2025, at Jin Hai Beach in Weihai, Shandong, eastern China, glowing blue bioluminescent “blue tears” appeared as a net was dragged through the sea. The sapphire-like light, caused by marine plankton, captivated viewers, though netizens warned against touching it to protect the ecosystem.

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Bioluminescent Plankton Light Up The Galicia Coast - Spain

A person in the Sea of Ardora on the beach of Carnota, on August 7, 2024, in Carnota, A Coruña, Galicia, Spain. The Sea of Ardora is a natural phenomenon in which the sea water glows with a bluish hue in the darkness of the night. This spectacle is due to bioluminescent microorganisms, specifically the dinoflagellate Noctiluca Scintillans and other species of microalgae, where the organisms emit light as a result of internal chemical reactions, creating the characteristic luminous effect in the water. When there is a high density of microalgae and the water is agitated, this reaction that generates the blue glow occurs, a reaction similar to that which occurs in terrestrial fireflies. Photo by Elena Fernandez/Europa Press/ABACAPRESS.COM

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Bioluminescent Plankton Light Up The Galicia Coast - Spain

View of the Sea of Ardora on the beach of Carnota, on August 7, 2024, in Carnota, A Coruña, Galicia, Spain. The Sea of Ardora is a natural phenomenon in which the sea water glows with a bluish hue in the darkness of the night. This spectacle is due to bioluminescent microorganisms, specifically the dinoflagellate Noctiluca Scintillans and other species of microalgae, where the organisms emit light as a result of internal chemical reactions, creating the characteristic luminous effect in the water. When there is a high density of microalgae and the water is agitated, this reaction that generates the blue glow occurs, a reaction similar to that which occurs in terrestrial fireflies. Photo by Elena Fernandez/Europa Press/ABACAPRESS.COM

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Bioluminescent Plankton Light Up The Galicia Coast - Spain

A person in the Sea of Ardora on the beach of Carnota, on August 7, 2024, in Carnota, A Coruña, Galicia, Spain. The Sea of Ardora is a natural phenomenon in which the sea water glows with a bluish hue in the darkness of the night. This spectacle is due to bioluminescent microorganisms, specifically the dinoflagellate Noctiluca Scintillans and other species of microalgae, where the organisms emit light as a result of internal chemical reactions, creating the characteristic luminous effect in the water. When there is a high density of microalgae and the water is agitated, this reaction that generates the blue glow occurs, a reaction similar to that which occurs in terrestrial fireflies. Photo by Elena Fernandez/Europa Press/ABACAPRESS.COM

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Bioluminescent Plankton Light Up The Galicia Coast - Spain

A person in the Sea of Ardora on the beach of Carnota, on August 7, 2024, in Carnota, A Coruña, Galicia, Spain. The Sea of Ardora is a natural phenomenon in which the sea water glows with a bluish hue in the darkness of the night. This spectacle is due to bioluminescent microorganisms, specifically the dinoflagellate Noctiluca Scintillans and other species of microalgae, where the organisms emit light as a result of internal chemical reactions, creating the characteristic luminous effect in the water. When there is a high density of microalgae and the water is agitated, this reaction that generates the blue glow occurs, a reaction similar to that which occurs in terrestrial fireflies. Photo by Elena Fernandez/Europa Press/ABACAPRESS.COM

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Bioluminescent Plankton Light Up The Galicia Coast - Spain

View of the Sea of Ardora on the beach of Carnota, on August 7, 2024, in Carnota, A Coruña, Galicia, Spain. The Sea of Ardora is a natural phenomenon in which the sea water glows with a bluish hue in the darkness of the night. This spectacle is due to bioluminescent microorganisms, specifically the dinoflagellate Noctiluca Scintillans and other species of microalgae, where the organisms emit light as a result of internal chemical reactions, creating the characteristic luminous effect in the water. When there is a high density of microalgae and the water is agitated, this reaction that generates the blue glow occurs, a reaction similar to that which occurs in terrestrial fireflies. Photo by Elena Fernandez/Europa Press/ABACAPRESS.COM Photo by Elena Fernandez/Europa Press/ABACAPRESS.COM

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Bioluminescent Plankton Light Up The Galicia Coast - Spain

View of the Sea of Ardora on the beach of Carnota, on August 7, 2024, in Carnota, A Coruña, Galicia, Spain. The Sea of Ardora is a natural phenomenon in which the sea water glows with a bluish hue in the darkness of the night. This spectacle is due to bioluminescent microorganisms, specifically the dinoflagellate Noctiluca Scintillans and other species of microalgae, where the organisms emit light as a result of internal chemical reactions, creating the characteristic luminous effect in the water. When there is a high density of microalgae and the water is agitated, this reaction that generates the blue glow occurs, a reaction similar to that which occurs in terrestrial fireflies. Photo by Elena Fernandez/Europa Press/ABACAPRESS.COM

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Bioluminescent Plankton Light Up The Galicia Coast - Spain

A couple in the Sea of Ardora on the beach of Carnota, on August 7, 2024, in Carnota, A Coruña, Galicia, Spain. The Sea of Ardora is a natural phenomenon in which the sea water glows with a bluish hue in the darkness of the night. This spectacle is due to bioluminescent microorganisms, specifically the dinoflagellate Noctiluca Scintillans and other species of microalgae, where the organisms emit light as a result of internal chemical reactions, creating the characteristic luminous effect in the water. When there is a high density of microalgae and the water is agitated, this reaction that generates the blue glow occurs, a reaction similar to that which occurs in terrestrial fireflies. Photo by Elena Fernandez/Europa Press/ABACAPRESS.COM

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Bioluminescent Plankton Light Up The Galicia Coast - Spain

A person in the Sea of Ardora on the beach of Carnota, on August 7, 2024, in Carnota, A Coruña, Galicia, Spain. The Sea of Ardora is a natural phenomenon in which the sea water glows with a bluish hue in the darkness of the night. This spectacle is due to bioluminescent microorganisms, specifically the dinoflagellate Noctiluca Scintillans and other species of microalgae, where the organisms emit light as a result of internal chemical reactions, creating the characteristic luminous effect in the water. When there is a high density of microalgae and the water is agitated, this reaction that generates the blue glow occurs, a reaction similar to that which occurs in terrestrial fireflies. Photo by Elena Fernandez/Europa Press/ABACAPRESS.COM

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Stunning "tears of the ocean" glowing at night

STORY: Stunning "tears of the ocean" glowing at night DATELINE: March 22, 2023 LENGTH: 00:00:15 LOCATION: PINGTAN, China CATEGORY: ENVIRONMENT SHOTLIST: 1. various of "blue tears" in Pingtan City, east China's Fujian Province STORYLINE: A surreal phosphorescent world of Avatar is seen in a sea in Dongmei Village in Pingtan, east China's Fujian Province. Dubbed as "tears of the ocean," the glowing wave is caused by bioluminescent plankton. Xinhua News Agency correspondents reporting from Pingtan, China. (XHTV)

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Firefly squids glow neon blue on Toyama beach

Firefly squids glow neon blue on a beach in Toyama, central Japan, after midnight on April 6, 2016. The female squids, which usually live in deep waters, make their way to shallow waters to spawn every spring and emit the bioluminescent color before dying. The behavior is known as the "suicide of firefly squids" among people in Toyama, one of the few places on earth where the squids can be seen in abundance. The light seen in the background is a lamp brought by people catching the squids. (Kyodo) ==Kyodo

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Bioluminescent mushrooms in Japan

Photo taken April 3, 2021, shows bioluminescent mushrooms emitting a greenish light at a forest park in Tatsugo on Amami-Oshima Island in Kagoshima Prefecture, southwestern Japan.

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Bioluminescent mushrooms in Japan

Photo taken April 3, 2021, shows bioluminescent mushrooms emitting a greenish light at a forest park in Tatsugo on Amami-Oshima Island in Kagoshima Prefecture, southwestern Japan.

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Bioluminescent mushrooms in western Japan

Photo shows Mycena lux-coeli mushrooms emitting green light in woods on Ugui Peninsula in Nachikatsuura, Wakayama Prefecture on the night of May 28, 2020. The bioluminescent fungus species have caps measuring 1 to 2 centimeters in diameter. (Kyodo) ==Kyodo

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Bioluminescent mushrooms in western Japan

Photo shows Mycena lux-coeli mushrooms emitting green light in woods on Ugui Peninsula in Nachikatsuura, Wakayama Prefecture on the night of May 28, 2020. The bioluminescent fungus species have caps measuring 1 to 2 centimeters in diameter. (Kyodo) ==Kyodo

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Luminescent mushrooms in western Japan

Bioluminescent fungus species are seen emitting greenish light in woods in Nachikatsuura, Wakayama Prefecture, on May 6, 2019, a phenomenon that can be seen there during the rainy season. (Kyodo) ==Kyodo

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Luminescent mushrooms in western Japan

Bioluminescent fungus species are seen emitting greenish light in woods in Nachikatsuura, Wakayama Prefecture, on May 6, 2019, a phenomenon that can be seen there during the rainy season. (Kyodo) ==Kyodo