💁🏻‍♀️ TIL: Atlantic #sturgeon – #fish as long as a VW Beetle – produce low-frequency “thunder” #sounds during mating in #NewYork’s #HudsonRiver, according to researchers at #Cornell. 💙

The sounds may come from thrashing or swim bladder movement. Scientists hope to use the recordings to monitor #endangered sturgeon populations without disturbing them. 🐟

👉 scientificamerican.com/article…

#sound #conservation #marinebiology #science #biology #nature #wildlife

💁🏻‍♀️ TIL: Paleontologist Peter Ward shows how fossil beds at Lyme Regis, #England record #cephalopods flourishing after the #Triassic extinction wiped out #fish. 🦑

Today, with overfishing removing #sharks and warming #oceans slowing currents, #octopus, #squid, and #cuttlefish are booming again – a 400% increase since the 1960s. 📈

👉 nautil.us/the-cephalopods-are-…

#climate #climatechange #paleontology #fossils #ammonites #marinebiology #lymeregis #ocean #evolution #jurassic

💁🏻‍♀️ ICYMI: 🦈🦴 Equipped with broad, wing-like fins and an oily liver that keeps them buoyant, ghost #sharks have navigated #ocean depths since the Devonian period. Also called #ratfishes, these are #chimaeras in the class Chondrichthyes along with sharks and #rays.

👉 Learn more: seethis.tv/post/the-ghost-shar…

#animals #biology #fish #marinebiology #mbari #science #underwater #tksst #video

💁🏻‍♀️ TIL: Kelsey Pfendler, 31, left #Monterey, #California on May 21, in an attempt to become the youngest woman to row solo and unassisted to #Hawaii. 🚣

⛈️ In her first week, she’s already faced storms, lost her freshwater supply, and is relying on tortillas and peanut butter until the #sun returns to power her solar desalinator. The current solo record is 86 days.

👉 popsci.com/science/kelsey-pfen…

#rowing #pacific #ocean #adventure #solar #desalination #marinebiology #geography

🦈🦴 Equipped with broad, wing-like fins and an oily liver that keeps them buoyant, ghost #sharks have navigated #ocean depths since the Devonian period. Also called #ratfishes, these are #chimaeras in the class Chondrichthyes along with sharks and #rays.

👉 Learn more: seethis.tv/post/the-ghost-shar…

#animals #biology #fish #marinebiology #mbari #science #underwater #tksst #video

🐟⏳ #Coelacanths, #sturgeons, #lungfish, #lampreys, #hagfish, and #paddlefish all predate the #dinosaurs by tens to hundreds of millions of years.

Scientists sequenced their genomes, showing slow-evolving genes, ancient duplications, and clues to how our own ancestors moved onto land.

👉 zmescience.com/feature-post/na…

#evolution #genetics #paleontology #marinebiology #prehistoric #sciebnce #kids #deepsea #fossils

🐋🪞 In a new study, two #beluga #whales at a #NewYork #aquarium showed possible self-recognition in a mirror – one even pressing a mark behind her ear against the reflective surface.

The results place belugas alongside #chimpanzees, #dolphins, #elephants, and maybe #magpies on a short list of species that pass. But scientists disagree on what the test actually proves, and the debate itself raises deeper questions about animal #consciousness.

👉 arstechnica.com/science/2026/0…

#science #marinebiology #biology #animals #zoology #ocean #psychology #neurobiology #ethology

💁🏻‍♀️ ICYMI: 🐟🤖 They look like they swam straight out of a sci-fi #movie, but only one of them is fake.

Can you tell which deep sea creature was made by #AI? It's harder than you think. Test your #ocean knowledge and sharpen your AI #literacy skills with this #quiz from the News Literacy Project.

👉 Learn more: thekidshouldseethis.com/post/w…

#activities #animals #biology #deepsea #diy #howto #information #marinebiology #news #science #seapig #squid #tech #technology #underwater #tksst #video

🐟🤖 They look like they swam straight out of a sci-fi #movie, but only one of them is fake.

Can you tell which deep sea creature was made by #AI? It's harder than you think. Test your #ocean knowledge and sharpen your AI #literacy skills with this #quiz from the News Literacy Project.

👉 Learn more: thekidshouldseethis.com/post/w…

#activities #animals #biology #deepsea #diy #howto #information #marinebiology #news #science #seapig #squid #tech #technology #underwater #tksst #video

🌋🌊 Deep-sea researchers from the #Ocean Exploration Trust discovered a unique "yellow brick road" formation on the Liliʻuokalani Ridge.

Located over 1,000 meters deep, the rectangular patterns are actually fractured hyaloclastite rock. The volcanic formation helps scientists understand the #marine #ecosystems within the Papahānaumokuākea Marine National Monument.

👉 discoverwildlife.com/environme…

#geology #oceanography #science #nature #hawaii #discovery #volcano #research #exploration #deepsea #earthscience #marinebiology

🐘🌊 Marine biologist David Harasti officially identified the hairy ghost #pipefish after 20 years of searching the #GreatBarrierReef.

Named Solenostomus snuffleupagus for its shaggy resemblance to the #SesameStreet character, this master of #camouflage uses thick skin filaments to blend into #coral, evading researchers for decades.

👉 popsci.com/environment/snuffle…

#marinebiology #science #nature #antarctica #research #oceanography #wildlife #taxonomy #biodiversity #exploration

🧪🌌 UC #Boulder researchers encapsulated single-celled #algae within #3D-printed hydrogel shapes.

The team used an acidic solution to trigger a sustained blue glow from the organisms. These living structures could eventually serve as battery-free light sources or sensors that detect environmental toxins.

👉 theguardian.com/science/2026/m…

#science #bioluminescence #3Dprinting #biology #marinebiology #technology #tech #innovation #nature #research #sustainability #lighting #colorado

🦈❄️ Scientists explain how the #Greenland #shark heart maintains a steady rhythm for over 400 years. New #research into metabolic efficiency and cold-water adaptations shows how these #sharks survive in the North Atlantic.

👉 scientificamerican.com/article…

#marinebiology #ocean #science #biology #arctic #evolution #physiology

🦈🔦 Researchers at the University of #Melbourne developed a method using laser-induced mass #spectrometry to analyze #elements within shark vertebrae.

The technique allows for more accurate age estimation and environmental tracking than traditional visual growth ring analysis.

👉 phys.org/news/2026-05-scientis…

#sharks #marinebiology #science #lasers #technology #tech #geochemistry #ocean #research #conservation #ecology #data #discovery

🐙🧠 Researchers investigated how #octopus #brains use a structure called the vertical lobe to manage complex #learning and #memory.

The #study demonstrates convergent #evolution where two completely different species developed similar neural solutions for high-level #intelligence.

👉 scientificamerican.com/article…

#biology #neuroscience #science #marinebiology #nature #research #discovery #animals

🐋🤖 A new #autonomous glider uses an onboard computer to detect and follow the sounds of sperm #whales across the #ocean.

This #AI-driven #technology allows scientists to monitor deep-diving #marinelife for months without disturbing their natural #environment or relying on short-term tags.

👉 popsci.com/environment/underwa…

#whales #marinebiology #AI #robotics #ocean #conservation #science #technology #engineering #nature #STEM #research

🌊⚫ The #ocean's midnight zone remains in constant darkness where temperatures stay near freezing and pressures reach 400 atmospheres.

Many species generate their own light or possess oversized jaws to capture rare prey in this high-pressure #environment. #Mammals such as beaked #whales dive into these depths to hunt while other species use red coloration to remain invisible.

👉 popsci.com/environment/macaron…

#marinebiology #science #nature #biology #deepsea #wildlife #ecology #adaptation #zoology #research #environment

🦞🧬 Lobstermen caught a rare two-toned #lobster off the coast of #CapeCod and donated it to the #WoodsHole #Science #Aquarium.

This split coloration happens in roughly one in 50 million individuals when one fertilized egg absorbs another during development. The resulting #chimera carries two distinct sets of genetic information that affect shell pigmentation differently on each side.

👉 popsci.com/environment/split-c…

#marinebiology #genetics #chimerism #ocean #wildlife #science #massachusetts #nature

💁🏻‍♀️ ICYMI: 🌋🌊 Filmmaker Devon Massyn documents the raw #physics of a phreatomagmatic #eruption at the #SolomonIslands' #Kavachi submarine #volcano.

When seawater makes contact with 1,200ºC (2,190°F) basaltic #lava, it flashes into steam and expands 1,600 times its original volume. This creates violent #underwater explosions in an #ecosystem that surprisingly supports hammerhead and silky #sharks.

👉 Learn more: seethis.tv/post/kavachi-underw…

#earth #science #ecosystem #gas #geochemistry #geography #geology #magma #marinebiology #nature #ocean #volcanoes #volcanology #water #tksst #video

🦈🌡️ Scientists have found that "warm-bodied" #fish like great white #sharks burn #energy at nearly four times the rate of cold-blooded species.

Rising #ocean temperatures are increasing their metabolic demands, forcing them to find more food while they simultaneously struggle to regulate their internal heat. This environmental shift is expected to push these #predators into new, cooler habitats to avoid physiological stress.

👉 arstechnica.com/science/2026/0…

#science #marinebiology #climatechange #climate #biology #nature #ecology #research #wildlife #environment

🌋🌊 Filmmaker Devon Massyn documents the raw #physics of a phreatomagmatic #eruption at the #SolomonIslands' #Kavachi submarine #volcano.

When seawater makes contact with 1,200ºC (2,190°F) basaltic #lava, it flashes into steam and expands 1,600 times its original volume. This creates violent #underwater explosions in an #ecosystem that surprisingly supports hammerhead and silky #sharks.

👉 Learn more: seethis.tv/post/kavachi-underw…

#earth #science #ecosystem #gas #geochemistry #geography #geology #magma #marinebiology #nature #ocean #volcanoes #volcanology #water #tksst #video

🧬🌊 Scientists found that the comb #jellyfish Mnemiopsis leidyi is capable of reversing its developmental stages to survive extreme conditions.

The #research suggests that some complex #animals possess the ability to reprogram their cells in ways previously unknown to #biology.

👉 popularmechanics.com/science/a…

#science #nature #marinebiology #ocean #evolution #genetics

🦑🇦🇺 The giant Australian #cuttlefish is the largest species of its kind and gathers annually at #PointLowly to breed. The mass aggregation allows researchers to observe behaviors like #color changing and mimicry within the population.

👉 discoverwildlife.com/animal-fa…

#marinebiology #nature #science #cephalopods #ocean #australia #wildlife #biology #animals #research #ecology

🐙🛡️ Regenerating a lost limb takes several months which is a significant portion of an #octopus's one-year lifespan.

Scientists observed that males prioritize the safety of the hectocotylus to ensure they remain viable for breeding. This instinct helps them avoid spending a large part of their life waiting for a critical organ to regrow.

👉 zmescience.com/ecology/animals…

#marinebiology #science #evolution #animals #ocean #nature #biology #zoology #research #cephalopod

🪱🌊 New #research indicates that our eyes developed from a midline light-sensing organ in a primitive sea creature.

While our ancestors lost their original paired eyes while living as stationary filter feeders, the need for movement eventually triggered the #evolution of the complex retinas we use today. This process also led to the formation of the pineal gland, which regulates sleep cycles in modern #vertebrates.

👉 independent.co.uk/news/science…

#science #biology #nature #marinebiology #history #genetics #zoology #neuroscience #education

MALE OCTOPUS REPRODUCTIVE HABITS RAISE QUESTIONS ABOUT SPECIALIZED ARM USAGE

Male octopuses use a special arm called the hectocotylus for sperm delivery. This arm usage affects their survival after mating.

#OctopusMating, #Hectocotylus, #MarineBiology, #AnimalReproduction, #OceanLife

newsletter.tf/male-octopus-spe…

Male octopuses use a unique arm, the hectocotylus, for mating. This specialized limb is key for sperm transfer and can impact the male's lifespan.

#OctopusMating, #Hectocotylus, #MarineBiology, #AnimalReproduction, #OceanLife
newsletter.tf/male-octopus-spe…

DOLPHINS’ WHISTLES: NOT JUST NAMES, NEW RESEARCH SUGGESTS

New research from Sarasota, Florida suggests dolphin whistles are more complex than just names. Scientists found shared sounds used for more than identification.

#DolphinCommunication, #SarasotaDolphins, #MarineBiology, #AnimalResearch, #OceanScience

newsletter.tf/dolphin-whistles…

Dolphins use more than just 'names' in their calls. New research from Sarasota shows they have shared whistles for different communication needs.

#DolphinCommunication, #SarasotaDolphins, #MarineBiology, #AnimalResearch, #OceanScience
newsletter.tf/dolphin-whistles…

31-Mar-2026
The ‘thermal hustle’: FIU researchers track how great hammerhead #sharks outsmart #ocean temperature swings

eurekalert.org/news-releases/1…

#science #ecology #marineBiology

Mind-blowing thought experiment: If humans vanished, Oxford zoologist says our most likely successors might not be insects or mammals... but octopuses living under the sea.
These clever cephalopods have 500 million neurons (many in their arms!), use tools like coconut shells for shelter, solve puzzles, and show incredible adaptability.
Not a prophecy — just a reminder of how intelligent and resourceful they already are in our rapidly changing oceans.

#octopus #marinebiology #mankind #extinction

ecoticias.com/en/they-would-no…

📰 "Coral Reef Fisheries Could Feed Millions Through Better Management"

🗒 "New research shows coral reef fisheries worldwide could boost sustainable yields by nearly 50 percent if fish populations recover, potentially providing up to 162 million additional meals annually."

happyeconews.com/coral-reef-fi…

#fish #fishing #marinebiology #food #rewilding #nature #environment

New review: Complementing other recent books on the Challenger expedition, The Wake of HMS Challenger brings a focus all of its own to the subject and firmly stands on its own two feet as a thoroughly enjoyable work of science history.

inquisitivebiologist.com/2026/…

#Books #BookReview #Bookstodon #Scicomm #Oceanography #Oceans #MarineBiology #HistoryOfScience #ScienceHistory #HistSci #Scicomm @bookstodon@a.gup.pe @princetonupress

🐠🧠 #Fish use a behavior called the dorsal light response to keep their backs facing the light.

Researchers at #Osaka Metropolitan University found that a specific part of the fish #brain combines information from the #eyes and a light-sensing organ to help them stay balanced while #swimming.

👉 phys.org/news/2026-03-brain-ar…

#neuroscience #science #biology #nature #research #evolution #marinebiology #technology #tech