Tag

Deep Sea

All articles tagged with #deep sea

science14 hours ago•4 min saved

Atlantic Doldrums Reveal First Hydrothermal Vents, Stoking Awe for Deep-Sea Life

Researchers using the ROV SuBastian uncovered two hydrothermal vent fields in the Doldrums Megatransform and Fracture Zone off Brazil, including a 24‑acre area with 23 vents and 13 active black smokers at about 280°C. The vents host life from anemones to Rimicaris shrimp, powered by chemical energy from vent fluids. The discovery, aided by serpentinisation, shows the Atlantic’s deep ecosystems are more diverse than thought and could offer clues about life on other worlds.

via BBC Wildlife Magazine|

#deep-sea #doldrums-megatransform #hydrothermal-vents

science1 day ago•5 min saved

Remote Atlantic Abyss Reveals Hidden Vents and Rare Deep-Sea Life

Scientists spent 35 days mapping a remote Atlantic region along the Mid-Atlantic Ridge, discovering two new hydrothermal vent fields about 4,000 meters deep and documenting vent-dwelling communities. The mission captured first live footage of a barreleye in its natural habitat, plus an isopod carrying sunken seaweed and the deepest-dwelling bigfin squid, highlighting chemosynthesis-based ecosystems that could inform the search for life on other worlds.

via PetaPixel|

#barreleye #bigfin-squid #deep-sea

science2 days ago•13 min saved

Seven Decades of Dives Yet Leaves Most Deep Seafloor Unseen

A Science Advances study compiling 43,681 submersible dives since 1958 finds humans have visually observed less than 0.001% of the deep seafloor, roughly the size of Rhode Island, with observations heavily concentrated near the US, Japan and New Zealand and most regions largely unsampled. The research emphasizes that close visual records complement maps but are uneven and sparse, highlighting the need for cheaper vehicles, shared archives, more open industrial imagery, and broader international participation to establish robust ecological baselines for biodiversity, climate, and resource decisions in the deep ocean.

via Space Daily|

#data-sharing #deep-sea #oceanography

science4 days ago•13 min saved

Only a Pinprick: Humans have seen less than 0.001% of the deep ocean floor

A Science Advances study compiling 43,681 dives since 1958 finds humans have directly observed less than 0.001% of the deep seafloor—about a Rhode Island-sized patch—leaving two-thirds of Earth's surface in near-total observational darkness and revealing geographic and funding biases that could skew global ocean understanding.

via Space Daily|

#deep-sea #global-ocean #ocean-exploration

science15 days ago•7 min saved

Live Goblin Shark Filmed in Deep Pacific, Expanding Range and Depth

Scientists from UH Mānoa captured the first live footage of goblin sharks in their natural deep-sea habitat, with encounters near Jarvis Island and the Tonga Trench in the Central Pacific. The sightings widen the species’ known geographic and depth range, setting a new depth record for Lamniformes and confirming the goblin shark can live healthily in the wild beyond previously captured observations.

via SciTechDaily|

#biodiversity #deep-sea #goblin-shark

science20 days ago•82 min saved

Goblin sharks surface, California quake risk rises, photons split, and China's taming-nature plans

Live Science’s weekly science roundup covers the first-ever deep-sea footage of goblin sharks filmed at two locations, new evidence that Southern California’s San Andreas and San Jacinto faults are under peak tectonic stress and could rupture together, a physics experiment showing a single photon can yield zero to an infinite number of photons depending on how quickly a shutter cuts it, and an in-depth look at China’s aggressive geoengineering plans to 'tame nature,' including atmospheric manipulation and mega-dam projects.

via Live Science|

#california-quake #deep-sea #goblin-shark

science21 days ago•64 min saved

Deep-sea isopods survive years of famine with big stomachs and borrowed genes

Deep-sea isopods can endure more than five years without food thanks to a giant stomach that stores meals, an ultra-low metabolism, and an energy-control gene (ND1) likely borrowed from bacteria via horizontal gene transfer, with gut microbes potentially aiding fat storage.

via Reuters|

#deep-sea #horizontalgenetransfer #isopods

science26 days ago•4 min saved

31 New Deep-Sea Species Documented with Cutting-Edge Imaging

Researchers aboard Schmidt Ocean Institute’s Falkor used three advanced imaging systems on the ROV SuBastian to observe midwater life off Brazil’s coast, documenting 31 previously unknown species—ranging from amphipods and jellyfish to siphonophores and comb jellies—without disturbing them. By employing DeepPIV, EyeRIS, and a shadowgraph camera, the team confirmed these new species in days, revealing far greater midwater diversity than expected and showcasing non-invasive methods for documenting fragile deep-sea life.

via PetaPixel|

#deep-sea #marine-imaging-technology #midwater

science28 days ago•2 min saved

First Live Footage of Goblin Sharks Reveals Eerie Slingshot Jaws in Deep Pacific

Australian scientists captured rare live footage of goblin sharks in their deep-sea habitat, recording sightings in the Tonga Trench and near Jarvis Island. With extensive filming, researchers observed the sharks’ bizarre retractable jaws and slingshot feeding, expanding knowledge of their distribution and highlighting their ancient, slow-moving nature.

via The Guardian|

#deep-sea #goblin-shark #jarvis-island

science1 month ago•7 min saved

Ocean's Deep Graveyard: 500-Whale Necropolis Reveals Deep-Sea Evolution

Scientists exploring the Diamantina Fracture Zone in the Indian Ocean documented about 485 whale‑fall sites across a 1,200 km stretch, including 476 fossilized whales and five active whale‑fall ecosystems, some skulls dating to ~5.26–5.3 million years ago. The find, described in Nature, is the largest, deepest whale graveyard yet and acts as a living archive of beaked whale evolution, while showing that deep‑sea ecosystems can thrive around whale falls via chemosynthetic microbial communities, Osedax worms, and other life concentrated around these carcasses.

via ScienceAlert|

#beaked-whales #cetacean-evolution #deep-sea

science1 month ago•14 min saved

Deep-sea whale graveyard teems with jellyfish and bone-eating worms

Scientists uncover a deep-water whale graveyard in the Diamantina Fracture Zone of the southeastern Indian Ocean where fossilized bones have become a bustling habitat for marine life, including jellyfish and bone-eating worms.

via AP News|

#bone-eating-worms #deep-sea #jellyfish

science1 month ago•19 min saved

Hidden Cities of the Deep: life around vents and the race to mine the ocean floor

A sweeping look at Earth’s deep ocean—from twilight mid-water zones to hydrothermal vents—reveals an enormous, little-understood ecosystem that fuels global climate and hosts bizarre life forms powered by chemical energy. It traces a century of exploration (Challenger, Alvin) and explains how mid-water migrations drive major carbon transport, while warning that growing seabed‑mining interests, especially for manganese nodules in the Clarion–Clipperton Zone, threaten fragile, slow‑growing communities and untapped biotechnologies. The piece argues for protecting these environments even as they hold clues to life’s origins and future innovations.

via The Guardian|

#biodiversity #carbon-cycle #deep-sea

science1 month ago•17 min saved

Night dives reveal the deep-sea ballet of tiny creatures

Photographer Jialing Cai uses nocturnal blackwater dives to document midwater life—zooplankton, jellyfish and juvenile fish—at depths where diel vertical migration occurs, highlighting the twilight zone’s biodiversity and the pressures from human activity and climate change.

via BBC|

#deep-sea #diel-vertical-migration #science

science1 month ago•5 min saved

Tiny Blue Galápagos Octopus Earns a New Species Name via 3D CT Scan

A golf-ball-sized blue octopus living in deep waters off Darwin Island in the Galápagos has been formally described as a new species, Microeledone galapagensis, after researchers used nondestructive CT scanning to build a detailed 3D model of its anatomy. The study underscores how much remains unknown about deep-sea life and the value of exploration and conservation.

via WIRED|

#ct-imaging #deep-sea #galapagos-islands

science1 month ago•3 min saved

Decades-long look at a deep-sea whale fall uncovers prolonged bone degradation by bacteria

Over 15 years, researchers revisited a 1,288-meter-deep whale fall off Vancouver Island, using centimeter-scale photogrammetry and ROVs to document bone decay. They observed a prolonged sulphophilic stage—driven by bone‑degrading bacteria—that lasted at least 21 years and may stretch another decade, with a shift from early ‘zombie worms’ to diverse sulphophiles such as tube worms and clams; bone shrinkage was measurable, illustrating a slow, complex whale-fall ecosystem. Climate-related expansion of oxygen minimum zones could hinder colonization and reduce biodiversity at future carcasses.

via BBC Wildlife Magazine|

#deep-sea #photogrammetry #science