World Jellyfish Day Nov. 3, 2025

World Jellyfish Day

They don"t have brains, bones or even hearts, yet jellyfish have pulsed through Earth"s oceans for half a billion years. Today, on World Jellyfish Day, these wobbly wonders get their moment in the sun—or at least under the sea. The day promotes efforts to protect jellyfish habitats from threats like pollution, nutrient-rich runoff and ocean acidification.

© Christian Vizl/TANDEM Stills + Motion

palette

Today in History

An experiment in sustainability
Nov. 3, 2023World Jellyfish Day
Nov. 3, 2024International Day for Biosphere Reserves

More Desktop Wallpapers:

Nov. 4, 2025Tower Bridge, London, England
Sep. 26, 2024Blue-throated toucanet, Los Quetzales National Park, Costa Rica
Misty mountain hop
The top of Tennessee
May 9, 2024Misool, Raja Ampat Islands, Indonesia
Man-made, meandering Lake Powell
Oct. 5, 2025World Teachers Day
The sprout with amazing potential
Among the most photographed in the Rockies
A convocation of eagles assembles
If these walls could talk...
A book lover’s paradise
Pretty in pink
A painters palette of natures hues
Aug. 27, 2025World Lake Day
Dragon tails trail to the sea
The lungs of Earth
A vibrant, sun-drenched island
Trunks packed for road
Mar. 3, 2024World Wildlife Day
Jan. 24, 2025Thorrablot: The Icelandic midwinter festival
May 24, 2024Ordesa y Monte Perdido National Park
Hovering over harmonious horticulture
Dec. 7, 2025A pine forest in Alsace, France
What are these colourful insects?
Incan ingenuity
Mar. 4, 2024Arenal Volcano, Costa Rica
Mar. 2, 2024Modica, Sicily, Italy
Aug. 21, 2024Nazca boobies, Wolf Island, Galápagos Islands, Ecuador
Aug. 25, 2025Colony of northern gannets in Quebec