deep sea

deep sea on World Data Ocean: a running collection of 10 stories we have gathered and hand-picked because they are worth your time. Every post here touches on deep sea in some way — the news, the analysis, the deep dives, and the occasional surprise find. A Global Hub for Ocean Intelligence 4 World Data Ocean is a centralized digital platform where researchers, scientists, and ocean enthusiasts converge to explore, analyze, and… New stories are added to this page as we find them, so check back if you want to keep up with what is happening around deep sea, or subscribe to the RSS feed to get them as soon as they are published. Browse the collection below, or head back to the homepage to see everything World Data Ocean is covering right now.

NOAA Ocean Exploration

Camera 1: 2026 American Samoa ROV + Mapping Exploration (EX2606)

World Data Ocean is pleased to announce Camera 1: 2026 American Samoa ROV + Mapping Exploration (EX2606), a critical initiative focused on comprehensive underwater assessment. This expedition utilizes remotely operated vehicles (ROVs) to generate high-resolution maps and gather empirical data on the region’s marine environment. The project’s validated data will contribute to a deeper understanding of ecological connectivity, building upon related research such as “Advancing knowledge on biodiversity-driven ecological connectivity at sea and across the land–sea interface.

oceanography: things about the sea

If you could walk the ocean floor could you walk to the bottom of Mariana Trench without climbing gear?

The Mariana Trench, Earth's deepest point, presents a formidable challenge. Could a human descend to its nadir—approximately 11,000 meters (36,070 feet)—without specialized climbing equipment? The answer is definitively no; the immense pressure—over 1,000 times that at sea level—would be instantly fatal. Were one to hypothetically walk from shore, the distance to the trench’s deepest point exceeds 16,000 kilometers (9,942 miles), requiring an estimated travel time of several years, even at a brisk pace. For a deeper exploration of ocean phenomena, see our related

Brand New Magnipinna Squid Video!
Marine Biology Subreddit

Brand New Magnipinna Squid Video!

A remarkable sighting has been documented: another Magnapinna squid, often referred to as a "longboi," was recently observed by the Nautilus Live! crew. This exceptional dive showcased a vibrant ecosystem, including extensive coral formations, a chimera, and diverse isopods. Viewers can explore stills from the encounter, and for further visual documentation of marine life, consider reviewing our recent article, "Highlight of Pictures We Took After Finishing Our Fieldwork, Taken Around Eleuthera Island in the Bahamas."

oceanography: things about the sea

Deep sea documentary | A LIFE ILLUMINATED | Live Q&A with Dr. Sylvia Earle!

Delve into the profound mysteries of the deep with "A Life Illuminated," a captivating documentary exploring life in the ocean's most remote environments. Join us for a live Q&A with legendary oceanographer Dr. Sylvia Earle, offering unparalleled insights into these fragile ecosystems. This event provides a crucial opportunity to understand the interconnectedness of our planet. For those interested in coastal exploration, see our recent feature on an abandoned seaside building in North Sulawesi, Indonesia, highlighting the impact of environmental shifts.

oceanography: things about the sea

Why the ocean is actually our best long-term bet as a species

For long-term species survival, the ocean presents a compelling, empirically validated alternative to terrestrial or extraterrestrial habitats. Unlike land, which experiences frequent and disruptive shifts, the deep ocean exhibits remarkable stability, having maintained consistent conditions for hundreds of millions of years—as evidenced by ancient species like the coelacanth. This longitudinal resilience, coupled with its vast buffering capacity, suggests the ocean represents a proven ecological system.

Unveiling deep-sea benthic biodiversity in the northern South China Sea through environmental DNA metabarcoding
Frontiers in Marine Science | New and Recent Articles

Unveiling deep-sea benthic biodiversity in the northern South China Sea through environmental DNA metabarcoding

A comprehensive environmental DNA (eDNA) metabarcoding study has revealed unprecedented insights into the benthic biodiversity of the northern South China Sea’s Qiongdongnan Basin, a region critical for natural gas hydrate resources. Researchers identified 334 benthic faunal species across cold seeps, gas hydrate stable zones, and non-gas hydrate zones, demonstrating clear habitat-specific community structures largely governed by deterministic processes like variable selection.

oceanography: things about the sea

Looking into making a BRUV - Any Advice?

Constructing a Baited Remote Underwater Video (BRUV) presents a compelling opportunity for oceanographic data collection. Achieving this requires careful consideration of design parameters. Prioritizing modularity for ease of transport and deployment is crucial, alongside ensuring depth capabilities exceeding 210 feet—relevant for projects like the one envisioned for Lake Erie. Modularity also allows for future camera and lighting system upgrades, aligning with deep-sea exploration goals.

NOAA Ocean Exploration

Camera 2: 2026 Cook Islands ROV Exploration (EX2605)

## Camera 2: 2026 Cook Islands ROV Exploration (EX2605) – A Preview Scheduled for 2026, EX2605 represents a pivotal advancement in deep-sea exploration. This remotely operated vehicle (ROV) deployment in the Cook Islands will leverage cutting-edge camera technology to generate high-resolution data of previously unobserved benthic habitats. The mission’s integrated data ecosystem aims to deliver validated, longitudinal insights into biodiversity and geological formations.

NOAA Ocean Exploration

Camera 1: 2026 Cook Islands ROV Exploration (EX26045)

World Data Ocean is pleased to announce Camera 1 data from the 2026 Cook Islands ROV Exploration (EX26045), a critical component of our ongoing ocean intelligence initiative. This expedition leverages cutting-edge remotely operated vehicle technology to generate high-resolution, validated imagery of deep-sea habitats. Preliminary analysis indicates significant biodiversity and unique geological formations. Further data and findings from Camera 2 (EX2605) will be released shortly. For broader context on the importance of marine science, see our recent article, "Women in marine sciences in India."

Marine Biology Subreddit

How would you theoretically catch a giant squid in The North Atlantic Ocean

The pursuit of a giant squid in the North Atlantic presents a formidable, yet theoretically addressable, scientific challenge. Capturing one would require a multi-faceted approach leveraging advanced remotely operated vehicles (ROVs), calibrated acoustic monitoring to detect their movements, and specialized, low-impact trapping techniques designed to minimize harm. Success hinges on understanding their deep-sea habitat and behavior—a field detailed further in our article, "Close Up Tide Pools," which highlights the surprising complexity of marine ecosystems. Empirical data collection remains paramount in this endeavor.