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#jellyfish — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #jellyfish, aggregated by home.social.

  1. How to Land a Rocket Launch ‘Space Jellyfish’
    atlas.whatip.xyz/post.php?slug
    <p>What used to be a rare sight gracing the twilight sky is now becoming strangely commonplace
    #jellyfish #launch #rocket #space

  2. Did not expect to have Alabama Gulf of Mexico Coast jellyfish* stings PTSD from 8 minutes into a horror movie (The Devil's Mouth. Set in Thailand). Guess that affected me more than I thought. Might explain why I'm not a beach person besides the sand getting everywhere.

    #ct_biography #pn_film #Movies #Beach #Jellyfish

  3. In Embedded.fm Episode 530: A Living Highlighter, Dr. Steven Haddock reminds us that the ocean’s depths are not lifeless or frightening, they’re vibrant, fascinating, and worth preserving.
    🎧 Listen now in your favorite podcast app and explore the transcript at embedded.fm/transcripts/530.


  4. In Embedded.fm Episode 530: A Living Highlighter, Dr. Steven Haddock reminds us that the ocean’s depths are not lifeless or frightening, they’re vibrant, fascinating, and worth preserving.
    🎧 Listen now in your favorite podcast app and explore the transcript at embedded.fm/transcripts/530.

    #EmbeddedSystems #Podcast #STEM #ScienceCommunication #EmbeddedFM
    #mbari #jellyfish #author #biology #engineering #embedded #podcast

  5. In Embedded.fm Episode 530: A Living Highlighter, Dr. Steven Haddock reminds us that the ocean’s depths are not lifeless or frightening, they’re vibrant, fascinating, and worth preserving.
    🎧 Listen now in your favorite podcast app and explore the transcript at embedded.fm/transcripts/530.

    #EmbeddedSystems #Podcast #STEM #ScienceCommunication #EmbeddedFM
    #mbari #jellyfish #author #biology #engineering #embedded #podcast

  6. In Embedded.fm Episode 530: A Living Highlighter, Dr. Steven Haddock reminds us that the ocean’s depths are not lifeless or frightening, they’re vibrant, fascinating, and worth preserving.
    🎧 Listen now in your favorite podcast app and explore the transcript at embedded.fm/transcripts/530.

    #EmbeddedSystems #Podcast #STEM #ScienceCommunication #EmbeddedFM
    #mbari #jellyfish #author #biology #engineering #embedded #podcast

  7. In Embedded.fm Episode 530: A Living Highlighter, Dr. Steven Haddock reminds us that the ocean’s depths are not lifeless or frightening, they’re vibrant, fascinating, and worth preserving.
    🎧 Listen now in your favorite podcast app and explore the transcript at embedded.fm/transcripts/530.

    #EmbeddedSystems #Podcast #STEM #ScienceCommunication #EmbeddedFM
    #mbari #jellyfish #author #biology #engineering #embedded #podcast

  8. From bioluminescent "living highlighters" in cancer research to deep-sea creatures exuding glowing green plumes, the ocean floor is full of wonder.
    Marine biologist Dr. Steven Haddock joins us to discuss these and more.

    🎧 Listen here: embedded.fm/episodes/530

    Here's an excerpt:


  9. From bioluminescent "living highlighters" in cancer research to deep-sea creatures exuding glowing green plumes, the ocean floor is full of wonder.
    Marine biologist Dr. Steven Haddock joins us to discuss these and more.

    🎧 Listen here: embedded.fm/episodes/530

    Here's an excerpt:

    #EmbeddedSystems #Podcast #STEM #ScienceCommunication #EmbeddedFM
    #mbari #jellyfish #author #biology #engineering #embedded #podcast

  10. From bioluminescent "living highlighters" in cancer research to deep-sea creatures exuding glowing green plumes, the ocean floor is full of wonder.
    Marine biologist Dr. Steven Haddock joins us to discuss these and more.

    🎧 Listen here: embedded.fm/episodes/530

    Here's an excerpt:

    #EmbeddedSystems #Podcast #STEM #ScienceCommunication #EmbeddedFM
    #mbari #jellyfish #author #biology #engineering #embedded #podcast

  11. From bioluminescent "living highlighters" in cancer research to deep-sea creatures exuding glowing green plumes, the ocean floor is full of wonder.
    Marine biologist Dr. Steven Haddock joins us to discuss these and more.

    🎧 Listen here: embedded.fm/episodes/530

    Here's an excerpt:

    #EmbeddedSystems #Podcast #STEM #ScienceCommunication #EmbeddedFM
    #mbari #jellyfish #author #biology #engineering #embedded #podcast

  12. From bioluminescent "living highlighters" in cancer research to deep-sea creatures exuding glowing green plumes, the ocean floor is full of wonder.
    Marine biologist Dr. Steven Haddock joins us to discuss these and more.

    🎧 Listen here: embedded.fm/episodes/530

    Here's an excerpt:

    #EmbeddedSystems #Podcast #STEM #ScienceCommunication #EmbeddedFM
    #mbari #jellyfish #author #biology #engineering #embedded #podcast

  13. "Y llegará el día en el que los huevos fritos cobrarán vida" - Evangelio de San Arguiñano 2:45

    Es la medusa Cotylorhiza tuberculata del Mediterráneo, que con la Phacellophora camtschatica tienen el privilegio de ser los huevos fritos del mar. #medusas #jellyfish

  14. La Diplulmaris malayensis es una medusa del Pacífico cuyas gónadas pueden ser devoradas por el cirrípedo pedunculado Alepas pacifica, que parasita a varias especies de medusas.📷ulexeuropaeus #medusas #jellyfish

  15. La medusa corona (Periphylla periphylla) nace en la oscuridad y es moldeado por ella. La luz puede dañarla, especialmente a las jóvenes, por lo que vive en aguas turbias o en profundidades de hasta 2700 m.📷 Jackson W.F. Chu #medusas #jellyfish

  16. La medusa autoestopista (Vallentinia gabriellae) se deja ver cuando le apetece. Esta medusa de 12 mm es difícil de encontrar en el mar, pero puede aparecer por sorpresa en los cultivos marinos en el laboratorio a través de algas Ulva, Sargassum y Enteromorpha y conchas de moluscos. 📷Allen G. Collins #medusas #jellyfish

  17. #Jellyfish Shut Four French #NuclearReactors as #HeatWave Builds

    By Eamon Farhat
    August 11, 2025

    " #ElectriciteDeFrance SA [#EDF] was forced to shut four #AtomicReactors after a swarm of jellyfish clogged up filter drums at its #Gravelines power plant.

    "The 'massive and unforeseen' [um, not if you read my posts -- very much FORESEEN] presence of jellyfish in the filter drums of pumping stations closed four out of six reactors at Gravelines on the north coast of France, EDF said in a statement on Monday. Pumping stations for coastal #NuclearPlants usually draw in sea water for cooling, sometimes exposing them to marine life.

    "A #MarineHeatWave is intensifying off the west coast of France, with unusually warm waters in the English Channel near Gravelines, data from #Copernicus Marine Service show. Jellyfish populations can 'bloom' at such times, and France has closed several beaches in recent weeks due to invasions of the eight-legged molluscs, according reports compiled by the beach information app Meduseo."

    Read more:
    bloomberg.com/news/articles/20

    Archived version:
    archive.ph/bahil

    #EuropeHeatWaves #France #Jellyfish #RethinkNotRestart #NoNukes #NoNukesForAI #NuclearPowerNoThanks #NuclearWasteIsForever #NuclearPowerPlants #ExtremeHeat #RenewablesNow #RenewableEnergy #RethinkNotRestart
    #LeNucléaireNonMerci #ClimateChange #WarmingOceans

  18. Pelagia noctiluca una acompañante habitual en nuestras inmersiones en la costa tropical; es una de las medusas más bellas y peligrosas del mediterráneo

    👉 Es bioluminiscente gracias a una proteína para ahuyentar depredadores o atraer presas

    👉 Sus tentáculos pueden medir más de 3 metros y su picadura es dolorosa, las sensación es como un calambrazo

    👉 Un consejo: admirar siempre desde la distancia, posicionarnos al lado contrario de dónde va la corriente y nunca detrás o debajo de los tentáculos

    foto ago25' en apnea 🤿

    #LaRiquezadeNuestrasCostas
    #apnea
    #freediving
    #biodiversidadmarina
    #medusas
    #jellyfish

  19. La cubomedusa de Boinaire (Tamoya ohboya), en el Caribe neerlandés, es solitaria y se mueve rápidamente. Por eso puede pillar por sorpresa, causando un intenso dolor que requiere hospitalización. 📷Ned Deloach #medusas #jellyfish

  20. Las zooxantelas Symbiodinium microadriaticum de la medusa invertida del Caribe (Cassiopea frondosa) realizan la fotosíntesis y le proporcionan nutrientes a cambio de protección y luz solar.📷Martin Holladay #medusas #jellyfish

  21. Carabelas portuguesas juveniles, Physalis physalis(Physalia physalis
    👉Entre 2 y 6cm varios ejemplares varados en la playa de Tagle,el Sable en Santander
    foto 20jul25'
    #medusas
    #jellyfish
    #CarabelaPortuguesa #Santander
    #PlayasCantabria
    #Santander
    #cantabria
    #biodiversidad

  22. La medusa verrugosa (Versuriga anadyomene) es una especie difícil de encontrar presente en aguas cálidas de la costa del Sudeste Asiático. Su umbrela de 60 cm de diámetro puede servir de refugio a otras especies. 📷Icolmer #medusas #jellyfish

  23. Cuando la medusa Eperetmus typus se siente amenazada, retrae sus tentáculos a su umbrela o campana.📷Pat Webster #medusas #jellyfish

  24. #Jellyfish Keep Attacking #NuclearPowerPlants

    By Gabriel Geiger
    November 2, 2021

    "Jellyfish are continuing to clog the cooling intake pipes of a nuclear power plant in Scotland, which has previously prompted a temporary shutdowns of the plant.

    "The #TornessNuclearPowerPlant has reported concerns regarding jellyfish as far back as 2011, when it was forced to shut down for nearly a week—at an estimated cost of $1.5 million a day—because of the free-swimming marine animals.

    "In a short comment to Motherboard, #EDFEnergy, which runs the Torness plant, said that 'jellyfish blooms are an occasional issue for our power stations,' but also said that media reports claiming the plant had recently been taken offline because of jellyfish are 'inaccurate.' '[There were] no emergency procedures this or last week related to jellyfish or otherwise,' a spokesperson said. [Um, did they previously work for #TEPCOLies?]

    " 'Like many other seaside power plants, the Torness plant uses seawater to prevent overheating. While there are measures in place to prevent aquatic life from entering the intake pipes, according to the #BulletinOfTheAtomicScientists, they are no match for the sheer number of jellyfish that come during so-called 'jellyfish blooms.'

    " 'Usually, screens prevent aquatic life and similar debris from being drawn into the power plants’ cooling system,' the Bulletin of the Atomic Scientists wrote in a 2015 blog post. 'But when sufficiently large volumes of jellyfish or other aquatic life are pulled in, they block the screens, reducing the volume of water coming in and forcing the reactor to shut down.'

    "While the case in Scotland has once again spotlighted concerns regarding the jellyfish and potential power plant shutdowns, these concerns are far from new. In 2008, a swarm of jellyfish shut down a nuclear power plant [#DiabloCanyon -- which had another incident in 2024] in #California, and three years later the same occurred at a plant in Japan [#Shimane]. In 2017, jellyfish clogged a power plant in Israel [#Hadera]."

    Source:
    vice.com/en/article/jellyfish-

    #GlobalWarming #WarmingOceans
    #ChangingOceans #OceansAreLife #OceanTemperatures #ClimateCrisis #Overfishing #NoDeepSeaMining #NoNewNukes #NoNukes #NoNukesForAI #Oskarshamn #Torness #RethinkNotRestart

  25. #Jellyfish are taking over the world – and #ClimateChange could be to blame

    Jan 8, 2019
    by Sean Fleming
    Senior Writer, Forum Stories

    "For 500 million years, jellyfish have been part of the maritime #ecosystem, but now they’re poised to take over the earth.

    "They have no brain, no eyes, no spine, not even blood, but they have a remarkable capacity to reproduce and can pack an impressive sting, both literally and figuratively.

    "Most recently, vast numbers of bluebottle jellyfish were pushed ashore by unusually strong winds and spells of hot weather in #QueenslandAustralia, stinging thousands of people and forcing the closure of popular swimming spots. About 13,000 stings were recorded in the past week.

    "In June last year, over the course of just one week, over 1,000 people were stung in Volusia County, #Florida, following a period of exceptionally prolific jellyfish blooms. The explosion in their numbers has been attributed to warming seas and even increased pollution; unlike many other marine creatures, jellyfish can cope with reduced oxygen levels.

    Small but deadly – at least some of the time

    "Typically, jellyfish range in size from 1cm to 40cm. But they can be significantly larger – the #LionsManeJellyfish, for example, can reach 1.8 metres wide, with tentacles over 15 metres long.

    "For the most part, the sting of a jellyfish is more unpleasant than it is harmful. The pain comes from venom delivered via millions of microscopic barbs in the creatures’ tentacles. Most jellyfish stings will only have a localized effect on the victim – redness, swelling, and discomfort where the barbs make contact with the skin.

    "Some, however, will prompt a systemic, whole body, reaction. These may take several hours to emerge and can include symptoms such as headaches, nausea and drowsiness.

    "In rare cases, the sting can be fatal. This is true of the #BoxJellyfish, which is spreading into waters that had previously been too cool to support it; its venom causes a severe reaction that can cause death within minutes.

    A force of destruction

    "But these booming jellyfish populations are doing far more harm than ruining people’s trips to the beach. In fact, the scope of their disruption has extended far beyond the water’s edge.

    "In 2011, both reactors at the #TornessNuclearPowerPlant in #Scotland were shut down after an invasion of jellyfish started blocking the cooling filters. Two years later, the jellyfish struck again – this time in #Sweden. They forced the closure of the #OskarshamnNuclearPowerPlant, which contains the world’s largest boiling-water reactor.

    "The island of Luzon, home of the Phillippines’ capital Manilla, suffered a blackout in 1999 due to jellyfish, and in 2006 the #USSRonaldReagan, a nuclear-powered aircraft carrier, was brought to a standstill by thousands of the little creatures. And while these events may stand out as exceptions, they are increasing in both scale and frequency.

    "From sea-bed diamond mining in Namibia to salmon farming in Ireland, even jeopardising the sustainability of beluga caviar farming in the Caspian Sea, jellyfish are as destructive as they are abundant. And that abundance is being caused by a variety of factors, many of which are related to human activity.

    Some like it hot

    "Over the last hundred or so years, the average surface temperature of the world’s seas has risen by about 0.9°C. As the oceans get warmer, marine animals are able to spread into areas that had historically been too cold. Oxygen levels in the sea have fallen by around 2% over the last 50 years, due to rising temperatures and #pollution [including #NuclearOceanDumping, which reduces oxygen levels]

    "Jellyfish can thrive in areas with lower oxygen levels, where other animals suffer. But there are other factors at work, too. Fishing has depleted the global stocks of some of the jellyfish’s natural predators – such as #tuna and #swordfish – and some they compete with for food – such as anchovies. With more food and fewer predators, some jellyfish populations can grow unchecked.

    "In the #BlackSea, unchecked population growth is precisely what’s happened. #AnchovyFishing in the region had caused harm to the Black Sea’s ecosystem by the time stowaway jellyfish made the journey there from the eastern seaboard of the USA. Most likely transported in the ballast water of ships that made the crossing, 1982 saw the arrival of the warty comb jelly. By 1990, there were 900 million tons of them in the Black Sea.

    "There are believed to be around 200 different species of jellyfish, not all of which can sting, and some are considered edible. This could offer one potential, and creative, approach toward dealing with an over-abundance of jellyfish – co-opting them onto our dinner plates." [That's one way to deal with invasive species -- eat them into extinction!]

    Source:
    weforum.org/stories/2019/01/ho

    #GlobalWarming #WarmingOceans
    #ChangingOceans #OceansAreLife #OceanTemperatures #ClimateCrisis #Overfishing #NoDeepSeaMining #NoNewNukes #NoNukes #NoNukesForAI #Oskarshamn #Torness

  26. #Jellyfish are taking over the #oceans due to #ClimateChange

    Written by Inaara Thawer
    on Nov 1, 2022

    "Climate change and human activity have impacts that ripple through all ecosystems. Their negative effects can lead to population imbalances across these various #ecosystems. While populations of many species are declining because they are unable to survive the rapid #EnvironmentalChanges, this is often not the case for venomous aquatic life like #SeaUrchins and jellyfish. In fact, these populations are increasing across the globe, with damaging effects on other living #AquaticOrganisms and human activity."

    View slideshow here:
    inhabitat.com/jellyfish-are-ta

    #GlobalWarming #WarmingOceans
    #ChangingOceans #OceansAreLife #OceanTemperatures #ClimateCrisis

  27. #ClimateChange - the gift that keeps on stinging!

    Spike in #jellyfish sightings prompts coastal safety warnings across #Maine

    #SouthernMaine communities advise beachgoers to stay alert with increased jellyfish sightings.

    Published: 3:29 PM EDT June 24, 2025
    Updated: 8:49 PM EDT June 24, 2025

    MAINE, USA — "Coastal communities in southern Maine are warning beachgoers to stay alert after a rise in jellyfish sightings, including the presence of large #LionsManeJellyfish and #MoonJellies along the shoreline.

    "Municipal officials and public safety departments have issued safety advisories in recent days for swimmers, families, and pet owners visiting local beaches.

    " 'Today, you may notice our lifeguards flying a purple flag alongside the green flag,' the #OgunquitME Fire Department said in a social media post. 'This indicates the presence of marine life hazards—specifically an increase in lion’s mane and moon jellyfish in our local waters, as well as at other beaches along the Maine coast.'

    "While most jellyfish encounters are not harmful, officials said there have been 'a few instances of jellyfish stings locally.' Lion’s mane jellyfish, in particular, can deliver painful stings that remain potent even after the jellyfish wash ashore.

    "In #EliotME, police issued a warning after recent sightings near Dead Duck at the Eliot Boat Basin. The department urged caution, especially for families with dogs.

    " 'Dogs are especially at risk,' the Eliot Police Department said. 'Curious sniffing or contact can lead to serious injury or illness.'

    "Officials recommend keeping pets and young children away from the water’s edge if jellyfish are visible. In addition to avoiding contact, beachgoers are encouraged to report sightings to lifeguards.

    "At #WillardBeach in #SouthPortlandME, a nearly five-foot-wide lion’s mane jellyfish was spotted over the weekend, according to the city’s parks and recreation department. Lifeguards have been trained to safely remove jellyfish that wash ashore using tools like shovels.

    " 'If you see one, don’t touch it,' the city advised in a public post. 'They sting. Observe it—they’re interesting to watch and pretty too.'

    "Those interested in helping marine researchers track #JellyfishSightings can report #observations through regional #CitizenScience platforms or agencies like the #GulfOfMaineResearchInstitute or #BigelowLaboratory for Ocean Sciences.

    "In the meantime, officials are reminding visitors to enjoy Maine’s beaches safely and stay informed."

    Source:
    newscentermaine.com/article/ne

    #GlobalWarming #WarmingOceans #ClimateDiary #MaineClimateDiary #MarineLife #ChangingOceans #OceansAreLife #OceanTemperatures

  28. La antomedusa Staurocladia wellingtoni, como otras de su orden, tiene nematocistos adhesivos en sus tentáculos con los que se desplazan por el fondo marino.📷Luca Davenport-Thomas #medusas #jellyfish

  29. El acalefo luminiscente (Pelagia noctiluca) tiene cnidocitos tanto en sus tentáculos como en su campana. Por la noche, emite cortos destellos con el movimiento del agua. 📷Andrea Ruggeri #medusas #jellyfish

  30. Las medusas del género Deepstaria son solitarias y carecen de tentáculos, atrapando a sus presas con su campana, en donde se extiende su sistema gastrovascular en forma de red. 📷Strange Sounds #medusas #jellyfish

  31. El cangrejo, probablemente un Dorippe frascone, lleva a la medusa Cassiopea, que suele nadar invertidas. Usa sus dos pares de patas posteriores para agarrarla y sus dos pares anteriores para caminar. De esta manera, está protegido por la medusa. #cangrejo #crab #medusa #jellyfish

  32. Medusas gigantes 😮 inmortales 👶 sin cerebro 🚫🧠 Algunos datos que (quizá) no sabías sobre uno de los animales más misteriosos del planeta:
    #medusas #datos #animales #mar #jellyfish